220337492 has 6 divisors (see below), whose sum is σ = 385590618. Its totient is φ = 110168744.

The previous prime is 220337489. The next prime is 220337501. The reversal of 220337492 is 294733022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 200392336 + 19945156 = 14156^2 + 4466^2 .

It is a super-2 number, since 2×220337492² = 97097220761700128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27542183 + ... + 27542190.

It is an arithmetic number, because the mean of its divisors is an integer number (64265103).

Almost surely, 2^220337492 is an apocalyptic number.

It is an amenable number.

220337492 is a deficient number, since it is larger than the sum of its proper divisors (165253126).

220337492 is a wasteful number, since it uses less digits than its factorization.

220337492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55084377 (or 55084375 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 220337492 is about 14843.7694673557. The cubic root of 220337492 is about 603.9896091951.

The spelling of 220337492 in words is "two hundred twenty million, three hundred thirty-seven thousand, four hundred ninety-two".