79147222 has 16 divisors (see below), whose sum is σ = 148015872. Its totient is φ = 30836520.

The previous prime is 79147213. The next prime is 79147231. The reversal of 79147222 is 22274197.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79147213) and next prime (79147231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256818 + ... + 257125.

It is an arithmetic number, because the mean of its divisors is an integer number (9250992).

Almost surely, 2^79147222 is an apocalyptic number.

79147222 is a deficient number, since it is larger than the sum of its proper divisors (68868650).

79147222 is a wasteful number, since it uses less digits than its factorization.

79147222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513963.

The product of its digits is 14112, while the sum is 34.

The square root of 79147222 is about 8896.4724469871. The cubic root of 79147222 is about 429.3504199624.

The spelling of 79147222 in words is "seventy-nine million, one hundred forty-seven thousand, two hundred twenty-two".