80644622 has 32 divisors (see below), whose sum is σ = 128217600. Its totient is φ = 38001600.

The previous prime is 80644589. The next prime is 80644643. The reversal of 80644622 is 22644608.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382097 + ... + 382307.

It is an arithmetic number, because the mean of its divisors is an integer number (4006800).

Almost surely, 2^80644622 is an apocalyptic number.

80644622 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

80644622 is a deficient number, since it is larger than the sum of its proper divisors (47572978).

80644622 is a wasteful number, since it uses less digits than its factorization.

80644622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 80644622 is about 8980.2350748742. The cubic root of 80644622 is about 432.0411733448.

The spelling of 80644622 in words is "eighty million, six hundred forty-four thousand, six hundred twenty-two".