122213522 has 4 divisors (see below), whose sum is σ = 183320286. Its totient is φ = 61106760.

The previous prime is 122213519. The next prime is 122213537. The reversal of 122213522 is 225312221.

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

It can be written as a sum of positive squares in only one way, i.e., 100020001 + 22193521 = 10001^2 + 4711^2 .

It is a super-2 number, since 2×122213522² = 29872289919288968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122213494 and 122213503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30553379 + ... + 30553382.

Almost surely, 2^122213522 is an apocalyptic number.

122213522 is a deficient number, since it is larger than the sum of its proper divisors (61106764).

122213522 is an equidigital number, since it uses as much as digits as its factorization.

122213522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61106763.

The product of its digits is 480, while the sum is 20.

The square root of 122213522 is about 11055.0224784937. The cubic root of 122213522 is about 496.2567419726.

Adding to 122213522 its reverse (225312221), we get a palindrome (347525743).

The spelling of 122213522 in words is "one hundred twenty-two million, two hundred thirteen thousand, five hundred twenty-two".