223400106625 has 24 divisors (see below), whose sum is σ = 282786245352. Its totient is φ = 176202404000.

The previous prime is 223400106607. The next prime is 223400106661. The reversal of 223400106625 is 526601004322.

It can be written as a sum of positive squares in 4 ways, for example, as 876574449 + 222523532176 = 29607^2 + 471724^2 .

It is not a de Polignac number, because 223400106625 - 2²⁵ = 223366552193 is a prime.

It is a super-2 number, since 2×223400106625² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 452859 + ... + 807391.

It is an arithmetic number, because the mean of its divisors is an integer number (11782760223).

Almost surely, 2^223400106625 is an apocalyptic number.

223400106625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223400106625 is a deficient number, since it is larger than the sum of its proper divisors (59386138727).

223400106625 is an frugal number, since it uses more digits than its factorization.

223400106625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354690 (or 354609 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 223400106625 in words is "two hundred twenty-three billion, four hundred million, one hundred six thousand, six hundred twenty-five".