122213031 has 8 divisors (see below), whose sum is σ = 163152000. Its totient is φ = 81374712.

The previous prime is 122213029. The next prime is 122213033. The reversal of 122213031 is 130312221.

It is an interprime number because it is at equal distance from previous prime (122213029) and next prime (122213033).

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

It is not a de Polignac number, because 122213031 - 2¹ = 122213029 is a prime.

It is a super-2 number, since 2×122213031² = 29872049892413922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122213031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122213033) 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, 22281 + ... + 27218.

It is an arithmetic number, because the mean of its divisors is an integer number (20394000).

Almost surely, 2^122213031 is an apocalyptic number.

122213031 is a deficient number, since it is larger than the sum of its proper divisors (40938969).

122213031 is an equidigital number, since it uses as much as digits as its factorization.

122213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50325.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122213031 is about 11055.0002713704. Note that the first 3 decimals coincide. The cubic root of 122213031 is about 496.2560773915.

Adding to 122213031 its reverse (130312221), we get a palindrome (252525252).

The spelling of 122213031 in words is "one hundred twenty-two million, two hundred thirteen thousand, thirty-one".