2213656042 has 16 divisors (see below), whose sum is σ = 3587566752. Its totient is φ = 1018355760.

The previous prime is 2213656021. The next prime is 2213656061. The reversal of 2213656042 is 2406563122.

It is a junction number, because it is equal to n+sod(n) for n = 2213655995 and 2213656013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130684 + ... + 146647.

It is an arithmetic number, because the mean of its divisors is an integer number (224222922).

Almost surely, 2^2213656042 is an apocalyptic number.

2213656042 is a deficient number, since it is larger than the sum of its proper divisors (1373910710).

2213656042 is a wasteful number, since it uses less digits than its factorization.

2213656042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277653.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2213656042 is about 47049.5062885893. The cubic root of 2213656042 is about 1303.2769481446.

The spelling of 2213656042 in words is "two billion, two hundred thirteen million, six hundred fifty-six thousand, forty-two".