2261631602 has 4 divisors (see below), whose sum is σ = 3392447406. Its totient is φ = 1130815800.

The previous prime is 2261631571. The next prime is 2261631649. The reversal of 2261631602 is 2061361622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2260907401 + 724201 = 47549^2 + 851^2 .

It is a super-2 number, since 2×2261631602² = 10229955006330172808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565407899 + ... + 565407902.

Almost surely, 2^2261631602 is an apocalyptic number.

2261631602 is a deficient number, since it is larger than the sum of its proper divisors (1130815804).

2261631602 is a wasteful number, since it uses less digits than its factorization.

2261631602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130815803.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2261631602 is about 47556.6147028991. The cubic root of 2261631602 is about 1312.6248483747.

The spelling of 2261631602 in words is "two billion, two hundred sixty-one million, six hundred thirty-one thousand, six hundred two".