225622532751 has 48 divisors (see below), whose sum is σ = 394332836352. Its totient is φ = 112110546240.

The previous prime is 225622532743. The next prime is 225622532753. The reversal of 225622532751 is 157235226522.

It is a happy number.

It is not a de Polignac number, because 225622532751 - 2³ = 225622532743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225622532753) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1871836 + ... + 1988721.

It is an arithmetic number, because the mean of its divisors is an integer number (8215267424).

Almost surely, 2^225622532751 is an apocalyptic number.

225622532751 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

225622532751 is a deficient number, since it is larger than the sum of its proper divisors (168710303601).

225622532751 is a wasteful number, since it uses less digits than its factorization.

225622532751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860612 (or 3860601 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The spelling of 225622532751 in words is "two hundred twenty-five billion, six hundred twenty-two million, five hundred thirty-two thousand, seven hundred fifty-one".