747202225 has 81 divisors (see below), whose sum is σ = 1201611243. Its totient is φ = 459228000.

The previous prime is 747202223. The next prime is 747202229. The reversal of 747202225 is 522202747.

The square root of 747202225 is 27335.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 268992801 + 478209424 = 16401^2 + 21868^2 .

It is not a de Polignac number, because 747202225 - 2¹ = 747202223 is a prime.

It is a super-2 number, since 2×747202225² = 1116622330089901250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747202223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 10523940 + ... + 10524010.

Almost surely, 2^747202225 is an apocalyptic number.

747202225 is the 27335-th square number.

747202225 is the 13668-th centered octagonal number.

It is an amenable number.

747202225 is a deficient number, since it is larger than the sum of its proper divisors (454409018).

747202225 is a wasteful number, since it uses less digits than its factorization.

747202225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The cubic root of 747202225 is about 907.4291343500.

The spelling of 747202225 in words is "seven hundred forty-seven million, two hundred two thousand, two hundred twenty-five".