22260557661 has 32 divisors (see below), whose sum is σ = 30244295808. Its totient is φ = 14561894400.

The previous prime is 22260557653. The next prime is 22260557663. The reversal of 22260557661 is 16675506222.

It is not a de Polignac number, because 22260557661 - 2³ = 22260557653 is a prime.

It is a super-4 number, since 4×22260557661⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22260557663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20291665 + ... + 20292761.

It is an arithmetic number, because the mean of its divisors is an integer number (945134244).

Almost surely, 2^22260557661 is an apocalyptic number.

It is an amenable number.

22260557661 is a deficient number, since it is larger than the sum of its proper divisors (7983738147).

22260557661 is a wasteful number, since it uses less digits than its factorization.

22260557661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 22260557661 in words is "twenty-two billion, two hundred sixty million, five hundred fifty-seven thousand, six hundred sixty-one".