2263157812 has 6 divisors (see below), whose sum is σ = 3960526178. Its totient is φ = 1131578904.

The previous prime is 2263157807. The next prime is 2263157837. The reversal of 2263157812 is 2187513622.

It can be written as a sum of positive squares in only one way, i.e., 2152403236 + 110754576 = 46394^2 + 10524^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282894723 + ... + 282894730.

Almost surely, 2^2263157812 is an apocalyptic number.

It is an amenable number.

2263157812 is a deficient number, since it is larger than the sum of its proper divisors (1697368366).

2263157812 is a wasteful number, since it uses less digits than its factorization.

2263157812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565789457 (or 565789455 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 2263157812 is about 47572.6582397915. The cubic root of 2263157812 is about 1312.9200468648.

The spelling of 2263157812 in words is "two billion, two hundred sixty-three million, one hundred fifty-seven thousand, eight hundred twelve".