4397679225 has 27 divisors (see below), whose sum is σ = 7878514189. Its totient is φ = 2344898400.

The previous prime is 4397679211. The next prime is 4397679233. The reversal of 4397679225 is 5229767934.

The square root of 4397679225 is 66315.

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

It can be written as a sum of positive squares in 4 ways, for example, as 207965241 + 4189713984 = 14421^2 + 64728^2 .

It is not a de Polignac number, because 4397679225 - 2²¹ = 4395582073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 992515 + ... + 996935.

Almost surely, 2^4397679225 is an apocalyptic number.

4397679225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4397679225 is the 66315-th square number.

4397679225 is the 33158-th centered octagonal number.

It is an amenable number.

4397679225 is a deficient number, since it is larger than the sum of its proper divisors (3480834964).

4397679225 is an frugal number, since it uses more digits than its factorization.

4397679225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8858 (or 4429 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The cubic root of 4397679225 is about 1638.3543904850.

It can be divided in two parts, 43976 and 79225, that added together give a square (123201 = 351²).

The spelling of 4397679225 in words is "four billion, three hundred ninety-seven million, six hundred seventy-nine thousand, two hundred twenty-five".