2265212858 has 4 divisors (see below), whose sum is σ = 3397819290. Its totient is φ = 1132606428.

The previous prime is 2265212839. The next prime is 2265212869. The reversal of 2265212858 is 8582125622.

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., 1446509089 + 818703769 = 38033^2 + 28613^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566303213 + ... + 566303216.

Almost surely, 2^2265212858 is an apocalyptic number.

2265212858 is a deficient number, since it is larger than the sum of its proper divisors (1132606432).

2265212858 is a wasteful number, since it uses less digits than its factorization.

2265212858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132606431.

The product of its digits is 153600, while the sum is 41.

The square root of 2265212858 is about 47594.2523630743. The cubic root of 2265212858 is about 1313.3173228628.

The spelling of 2265212858 in words is "two billion, two hundred sixty-five million, two hundred twelve thousand, eight hundred fifty-eight".