220246546 has 12 divisors (see below), whose sum is σ = 357738282. Its totient is φ = 101652096.

The previous prime is 220246541. The next prime is 220246573. The reversal of 220246546 is 645642022.

It can be written as a sum of positive squares in 3 ways, for example, as 114383025 + 105863521 = 10695^2 + 10289^2 .

It is not an unprimeable number, because it can be changed into a prime (220246541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325471 + ... + 326146.

Almost surely, 2^220246546 is an apocalyptic number.

220246546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220246546 is a deficient number, since it is larger than the sum of its proper divisors (137491736).

220246546 is a wasteful number, since it uses less digits than its factorization.

220246546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651645 (or 651632 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 220246546 is about 14840.7057109829. The cubic root of 220246546 is about 603.9064973018.

Adding to 220246546 its reverse (645642022), we get a palindrome (865888568).

The spelling of 220246546 in words is "two hundred twenty million, two hundred forty-six thousand, five hundred forty-six".