225222104000 has 56 divisors (see below), whose sum is σ = 557762560368. Its totient is φ = 90088838400.

The previous prime is 225222103999. The next prime is 225222104057. The reversal of 225222104000 is 401222522.

It is a super-2 number, since 2×225222104000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14068382 + ... + 14084381.

Almost surely, 2^225222104000 is an apocalyptic number.

225222104000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225222104000 is an abundant number, since it is smaller than the sum of its proper divisors (332540456368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225222104000 is an equidigital number, since it uses as much as digits as its factorization.

225222104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28152790 (or 28152770 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 225222104000 its reverse (401222522), we get a palindrome (225623326522).

The spelling of 225222104000 in words is "two hundred twenty-five billion, two hundred twenty-two million, one hundred four thousand".