122213516 has 24 divisors (see below), whose sum is σ = 222322800. Its totient is φ = 58732992.

The previous prime is 122213473. The next prime is 122213519. The reversal of 122213516 is 615312221.

It is a super-2 number, since 2×122213516² = 29872286986164512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122213491 and 122213500.

It is not an unprimeable number, because it can be changed into a prime (122213519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7310 + ... + 17258.

It is an arithmetic number, because the mean of its divisors is an integer number (9263450).

Almost surely, 2^122213516 is an apocalyptic number.

It is an amenable number.

122213516 is a deficient number, since it is larger than the sum of its proper divisors (100109284).

122213516 is a wasteful number, since it uses less digits than its factorization.

122213516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073 (or 10071 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 122213516 is about 11055.0222071238. The cubic root of 122213516 is about 496.2567338515.

Adding to 122213516 its reverse (615312221), we get a palindrome (737525737).

The spelling of 122213516 in words is "one hundred twenty-two million, two hundred thirteen thousand, five hundred sixteen".