225423902039 has 4 divisors (see below), whose sum is σ = 257627316624. Its totient is φ = 193220487456.

The previous prime is 225423902003. The next prime is 225423902047. The reversal of 225423902039 is 930209324522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225423902039 - 2³² = 221128934743 is a prime.

It is a super-2 number, since 2×225423902039² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225423901987 and 225423902005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225423902059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16101707282 + ... + 16101707295.

It is an arithmetic number, because the mean of its divisors is an integer number (64406829156).

Almost surely, 2^225423902039 is an apocalyptic number.

225423902039 is a deficient number, since it is larger than the sum of its proper divisors (32203414585).

225423902039 is an equidigital number, since it uses as much as digits as its factorization.

225423902039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32203414584.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 225423902039 in words is "two hundred twenty-five billion, four hundred twenty-three million, nine hundred two thousand, thirty-nine".