22255121030 has 64 divisors (see below), whose sum is σ = 42430832640. Its totient is φ = 8390726400.

The previous prime is 22255121029. The next prime is 22255121069. The reversal of 22255121030 is 3012155222.

It is a junction number, because it is equal to n+sod(n) for n = 22255120987 and 22255121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10662647 + ... + 10664733.

It is an arithmetic number, because the mean of its divisors is an integer number (662981760).

Almost surely, 2^22255121030 is an apocalyptic number.

22255121030 is a deficient number, since it is larger than the sum of its proper divisors (20175711610).

22255121030 is a wasteful number, since it uses less digits than its factorization.

22255121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 22255121030 its reverse (3012155222), we get a palindrome (25267276252).

The spelling of 22255121030 in words is "twenty-two billion, two hundred fifty-five million, one hundred twenty-one thousand, thirty".