20224522251 has 12 divisors (see below), whose sum is σ = 30220550880. Its totient is φ = 13018083120.

The previous prime is 20224522229. The next prime is 20224522291. The reversal of 20224522251 is 15222542202.

It is a happy number.

20224522251 is a `hidden beast` number, since 202 + 2 + 452 + 2 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 20224522251 - 2¹⁰ = 20224521227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20224522211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38744035 + ... + 38744556.

It is an arithmetic number, because the mean of its divisors is an integer number (2518379240).

Almost surely, 2^20224522251 is an apocalyptic number.

20224522251 is a deficient number, since it is larger than the sum of its proper divisors (9996028629).

20224522251 is a wasteful number, since it uses less digits than its factorization.

20224522251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77488626 (or 77488623 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 20224522251 in words is "twenty billion, two hundred twenty-four million, five hundred twenty-two thousand, two hundred fifty-one".