401450222 has 8 divisors (see below), whose sum is σ = 618450456. Its totient is φ = 195300072.

The previous prime is 401450207. The next prime is 401450233. The reversal of 401450222 is 222054104.

It is a happy number.

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

It is a super-2 number, since 2×401450222² = 322324561487698568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401450194 and 401450203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712428 + ... + 2712575.

It is an arithmetic number, because the mean of its divisors is an integer number (77306307).

Almost surely, 2^401450222 is an apocalyptic number.

401450222 is a deficient number, since it is larger than the sum of its proper divisors (217000234).

401450222 is a wasteful number, since it uses less digits than its factorization.

401450222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425042.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 401450222 is about 20036.2227478135. Note that the first 3 decimals coincide. The cubic root of 401450222 is about 737.6956696939.

The spelling of 401450222 in words is "four hundred one million, four hundred fifty thousand, two hundred twenty-two".