4222646556 has 12 divisors (see below), whose sum is σ = 9852841992. Its totient is φ = 1407548848.

The previous prime is 4222646551. The next prime is 4222646557. The reversal of 4222646556 is 6556462224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4222646556² = 35661487873797322272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222646551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175943595 + ... + 175943618.

It is an arithmetic number, because the mean of its divisors is an integer number (821070166).

Almost surely, 2^4222646556 is an apocalyptic number.

It is an amenable number.

4222646556 is an abundant number, since it is smaller than the sum of its proper divisors (5630195436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4222646556 is a wasteful number, since it uses less digits than its factorization.

4222646556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351887220 (or 351887218 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 4222646556 is about 64981.8940628849. The cubic root of 4222646556 is about 1616.3233385410.

The spelling of 4222646556 in words is "four billion, two hundred twenty-two million, six hundred forty-six thousand, five hundred fifty-six".