80222644 has 6 divisors (see below), whose sum is σ = 140389634. Its totient is φ = 40111320.

The previous prime is 80222633. The next prime is 80222657. The reversal of 80222644 is 44622208.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 9998244 = 8380^2 + 3162^2 .

It is a super-2 number, since 2×80222644² = 12871345220701472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10027827 + ... + 10027834.

Almost surely, 2^80222644 is an apocalyptic number.

It is an amenable number.

80222644 is a deficient number, since it is larger than the sum of its proper divisors (60166990).

80222644 is a wasteful number, since it uses less digits than its factorization.

80222644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055665 (or 20055663 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 80222644 is about 8956.7094404139. The cubic root of 80222644 is about 431.2862943899.

The spelling of 80222644 in words is "eighty million, two hundred twenty-two thousand, six hundred forty-four".