122747222 has 8 divisors (see below), whose sum is σ = 198284016. Its totient is φ = 56652552.

The previous prime is 122747173. The next prime is 122747231. The reversal of 122747222 is 222747221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 2360498 + ... + 2360549.

It is an arithmetic number, because the mean of its divisors is an integer number (24785502).

Almost surely, 2^122747222 is an apocalyptic number.

122747222 is a deficient number, since it is larger than the sum of its proper divisors (75536794).

122747222 is a wasteful number, since it uses less digits than its factorization.

122747222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721062.

The product of its digits is 6272, while the sum is 29.

The square root of 122747222 is about 11079.1345329859. The cubic root of 122747222 is about 496.9780686572.

Subtracting 122747222 from its reverse (222747221), we obtain a palindrome (99999999).

The spelling of 122747222 in words is "one hundred twenty-two million, seven hundred forty-seven thousand, two hundred twenty-two".