3148221057 has 8 divisors (see below), whose sum is σ = 4202199360. Its totient is φ = 2096528400.

The previous prime is 3148221023. The next prime is 3148221091. The reversal of 3148221057 is 7501228413.

It is an interprime number because it is at equal distance from previous prime (3148221023) and next prime (3148221091).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3148221057 - 2⁶ = 3148220993 is a prime.

It is a super-2 number, since 2×3148221057² = 19822591647476394498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3148221157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568194 + ... + 573707.

It is an arithmetic number, because the mean of its divisors is an integer number (525274920).

Almost surely, 2^3148221057 is an apocalyptic number.

It is an amenable number.

3148221057 is a deficient number, since it is larger than the sum of its proper divisors (1053978303).

3148221057 is a wasteful number, since it uses less digits than its factorization.

3148221057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142823.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3148221057 is about 56109.0104796012. The cubic root of 3148221057 is about 1465.6212047898.

The spelling of 3148221057 in words is "three billion, one hundred forty-eight million, two hundred twenty-one thousand, fifty-seven".