2238197402 has 24 divisors (see below), whose sum is σ = 3909425940. Its totient is φ = 958245120.

The previous prime is 2238197399. The next prime is 2238197411. The reversal of 2238197402 is 2047918322.

It can be written as a sum of positive squares in 2 ways, for example, as 2237195401 + 1002001 = 47299^2 + 1001^2 .

It is a super-2 number, since 2×2238197402² = 10019055220639099208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88874 + ... + 111242.

Almost surely, 2^2238197402 is an apocalyptic number.

2238197402 is a deficient number, since it is larger than the sum of its proper divisors (1671228538).

2238197402 is a wasteful number, since it uses less digits than its factorization.

2238197402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23406 (or 23399 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2238197402 is about 47309.5910149306. The cubic root of 2238197402 is about 1308.0754526485.

The spelling of 2238197402 in words is "two billion, two hundred thirty-eight million, one hundred ninety-seven thousand, four hundred two".