220229678586 has 16 divisors (see below), whose sum is σ = 440501619744. Its totient is φ = 73402849104.

The previous prime is 220229678573. The next prime is 220229678587. The reversal of 220229678586 is 685876922022.

It is a super-2 number, since 2×220229678586² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220229678587) 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, 1692996 + ... + 1818431.

It is an arithmetic number, because the mean of its divisors is an integer number (27531351234).

Almost surely, 2^220229678586 is an apocalyptic number.

220229678586 is an abundant number, since it is smaller than the sum of its proper divisors (220271941158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220229678586 is a wasteful number, since it uses less digits than its factorization.

220229678586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521885.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 220229678586 in words is "two hundred twenty billion, two hundred twenty-nine million, six hundred seventy-eight thousand, five hundred eighty-six".