225624222051 has 8 divisors (see below), whose sum is σ = 300881228544. Its totient is φ = 150391681800.

The previous prime is 225624222011. The next prime is 225624222053. The reversal of 225624222051 is 150222426522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225624222051 - 2⁹ = 225624221539 is a prime.

It is a super-2 number, since 2×225624222051² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225624222053) 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, 6095031 + ... + 6131936.

It is an arithmetic number, because the mean of its divisors is an integer number (37610153568).

Almost surely, 2^225624222051 is an apocalyptic number.

225624222051 is a deficient number, since it is larger than the sum of its proper divisors (75257006493).

225624222051 is a wasteful number, since it uses less digits than its factorization.

225624222051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12233121.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 225624222051 its reverse (150222426522), we get a palindrome (375846648573).

The spelling of 225624222051 in words is "two hundred twenty-five billion, six hundred twenty-four million, two hundred twenty-two thousand, fifty-one".