80220556 has 12 divisors (see below), whose sum is σ = 151184992. Its totient is φ = 37024848.

The previous prime is 80220541. The next prime is 80220571. The reversal of 80220556 is 65502208.

It is an interprime number because it is at equal distance from previous prime (80220541) and next prime (80220571).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771300 + ... + 771403.

Almost surely, 2^80220556 is an apocalyptic number.

It is an amenable number.

80220556 is a deficient number, since it is larger than the sum of its proper divisors (70964436).

80220556 is a wasteful number, since it uses less digits than its factorization.

80220556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542720 (or 1542718 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 80220556 is about 8956.5928789914. The cubic root of 80220556 is about 431.2825525802.

The spelling of 80220556 in words is "eighty million, two hundred twenty thousand, five hundred fifty-six".