10223055621 has 48 divisors (see below), whose sum is σ = 16477007040. Its totient is φ = 6069911040.

The previous prime is 10223055613. The next prime is 10223055641. The reversal of 10223055621 is 12655032201.

It is a happy number.

10223055621 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 30 + 5 + 5 + 621 = 666.

It is not a de Polignac number, because 10223055621 - 2³ = 10223055613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223055641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3728311 + ... + 3731051.

It is an arithmetic number, because the mean of its divisors is an integer number (343270980).

Almost surely, 2^10223055621 is an apocalyptic number.

It is an amenable number.

10223055621 is a deficient number, since it is larger than the sum of its proper divisors (6253951419).

10223055621 is a wasteful number, since it uses less digits than its factorization.

10223055621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066 (or 4063 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 10223055621 its reverse (12655032201), we get a palindrome (22878087822).

The spelling of 10223055621 in words is "ten billion, two hundred twenty-three million, fifty-five thousand, six hundred twenty-one".