79222054 has 4 divisors (see below), whose sum is σ = 118833084. Its totient is φ = 39611026.

The previous prime is 79222037. The next prime is 79222067. The reversal of 79222054 is 45022297.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×79222054² = 12552267679957832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19805512 + ... + 19805515.

It is an arithmetic number, because the mean of its divisors is an integer number (29708271).

Almost surely, 2^79222054 is an apocalyptic number.

79222054 is a deficient number, since it is larger than the sum of its proper divisors (39611030).

79222054 is a wasteful number, since it uses less digits than its factorization.

79222054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39611029.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 79222054 is about 8900.6771652498. The cubic root of 79222054 is about 429.4856912089.

The spelling of 79222054 in words is "seventy-nine million, two hundred twenty-two thousand, fifty-four".