80646224 has 10 divisors (see below), whose sum is σ = 156252090. Its totient is φ = 40323104.

The previous prime is 80646197. The next prime is 80646233. The reversal of 80646224 is 42264608.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71233600 + 9412624 = 8440^2 + 3068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520179 + ... + 2520210.

It is an arithmetic number, because the mean of its divisors is an integer number (15625209).

Almost surely, 2^80646224 is an apocalyptic number.

It is an amenable number.

80646224 is a deficient number, since it is larger than the sum of its proper divisors (75605866).

80646224 is a wasteful number, since it uses less digits than its factorization.

80646224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040397 (or 5040391 counting only the distinct ones).

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

The square root of 80646224 is about 8980.3242703145. The cubic root of 80646224 is about 432.0440341488.

The spelling of 80646224 in words is "eighty million, six hundred forty-six thousand, two hundred twenty-four".