225240105552 has 120 divisors (see below), whose sum is σ = 738403176672. Its totient is φ = 58503916800.

The previous prime is 225240105533. The next prime is 225240105553. The reversal of 225240105552 is 255501042522.

It is a happy number.

It is a super-2 number, since 2×225240105552² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225240105553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4327099 + ... + 4378842.

Almost surely, 2^225240105552 is an apocalyptic number.

225240105552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225240105552 is an abundant number, since it is smaller than the sum of its proper divisors (513163071120).

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

225240105552 is a wasteful number, since it uses less digits than its factorization.

225240105552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705977 (or 8705964 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 225240105552 in words is "two hundred twenty-five billion, two hundred forty million, one hundred five thousand, five hundred fifty-two".