225771604377 has 32 divisors (see below), whose sum is σ = 336473633664. Its totient is φ = 133466572800.

The previous prime is 225771604351. The next prime is 225771604397. The reversal of 225771604377 is 773406177522.

It is a happy number.

It is not a de Polignac number, because 225771604377 - 2¹² = 225771600281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225771604327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7964493 + ... + 7992789.

It is an arithmetic number, because the mean of its divisors is an integer number (10514801052).

Almost surely, 2^225771604377 is an apocalyptic number.

It is an amenable number.

225771604377 is a deficient number, since it is larger than the sum of its proper divisors (110702029287).

225771604377 is a wasteful number, since it uses less digits than its factorization.

225771604377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34249.

The product of its (nonzero) digits is 3457440, while the sum is 51.

The spelling of 225771604377 in words is "two hundred twenty-five billion, seven hundred seventy-one million, six hundred four thousand, three hundred seventy-seven".