122215662 has 32 divisors (see below), whose sum is σ = 278935200. Its totient is φ = 39636864.

The previous prime is 122215661. The next prime is 122215693. The reversal of 122215662 is 266512221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122215661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28587 + ... + 32582.

It is an arithmetic number, because the mean of its divisors is an integer number (8716725).

Almost surely, 2^122215662 is an apocalyptic number.

122215662 is an abundant number, since it is smaller than the sum of its proper divisors (156719538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122215662 is a wasteful number, since it uses less digits than its factorization.

122215662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61217 (or 61211 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 122215662 is about 11055.1192666565. The cubic root of 122215662 is about 496.2596384967.

Adding to 122215662 its reverse (266512221), we get a palindrome (388727883).

The spelling of 122215662 in words is "one hundred twenty-two million, two hundred fifteen thousand, six hundred sixty-two".