122213001 has 4 divisors (see below), whose sum is σ = 162950672. Its totient is φ = 81475332.

The previous prime is 122212963. The next prime is 122213011. The reversal of 122213001 is 100312221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122213001 - 2¹³ = 122204809 is a prime.

It is a super-2 number, since 2×122213001² = 29872035226852002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122213011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20368831 + ... + 20368836.

It is an arithmetic number, because the mean of its divisors is an integer number (40737668).

Almost surely, 2^122213001 is an apocalyptic number.

It is an amenable number.

122213001 is a deficient number, since it is larger than the sum of its proper divisors (40737671).

122213001 is an equidigital number, since it uses as much as digits as its factorization.

122213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40737670.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 122213001 is about 11054.9989145183. The cubic root of 122213001 is about 496.2560367857.

Adding to 122213001 its product of nonzero digits (24), we get a square (122213025 = 11055²).

Adding to 122213001 its reverse (100312221), we get a palindrome (222525222).

The spelling of 122213001 in words is "one hundred twenty-two million, two hundred thirteen thousand, one".