225156701731 has 16 divisors (see below), whose sum is σ = 253112355328. Its totient is φ = 198904636800.

The previous prime is 225156701689. The next prime is 225156701743. The reversal of 225156701731 is 137107651522.

It is a cyclic number.

It is not a de Polignac number, because 225156701731 - 2¹³ = 225156693539 is a prime.

It is a super-2 number, since 2×225156701731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225156707731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3807555 + ... + 3866236.

It is an arithmetic number, because the mean of its divisors is an integer number (15819522208).

Almost surely, 2^225156701731 is an apocalyptic number.

225156701731 is a deficient number, since it is larger than the sum of its proper divisors (27955653597).

225156701731 is a wasteful number, since it uses less digits than its factorization.

225156701731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673902.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 225156701731 in words is "two hundred twenty-five billion, one hundred fifty-six million, seven hundred one thousand, seven hundred thirty-one".