225747450522 has 48 divisors (see below), whose sum is σ = 553347299232. Its totient is φ = 68408316720.

The previous prime is 225747450473. The next prime is 225747450571. The reversal of 225747450522 is 225054747522.

225747450522 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 4 + 74 + 50 + 522 = 666.

It is an interprime number because it is at equal distance from previous prime (225747450473) and next prime (225747450571).

It is a super-2 number, since 2×225747450522² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21108333 + ... + 21119024.

It is an arithmetic number, because the mean of its divisors is an integer number (11528068734).

Almost surely, 2^225747450522 is an apocalyptic number.

225747450522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225747450522 is an abundant number, since it is smaller than the sum of its proper divisors (327599848710).

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

225747450522 is a wasteful number, since it uses less digits than its factorization.

225747450522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42227385 (or 42227373 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 45.

The spelling of 225747450522 in words is "two hundred twenty-five billion, seven hundred forty-seven million, four hundred fifty thousand, five hundred twenty-two".