122213051 has 4 divisors (see below), whose sum is σ = 129402072. Its totient is φ = 115024032.

The previous prime is 122213033. The next prime is 122213057. The reversal of 122213051 is 150312221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122213051 is a prime.

It is a super-3 number, since 3×122213051³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 7189003 = 122213051 / (1 + 2 + 2 + 2 + 1 + 3 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122213057) 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, 3594485 + ... + 3594518.

It is an arithmetic number, because the mean of its divisors is an integer number (32350518).

Almost surely, 2^122213051 is an apocalyptic number.

122213051 is a deficient number, since it is larger than the sum of its proper divisors (7189021).

122213051 is an equidigital number, since it uses as much as digits as its factorization.

122213051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189020.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 122213051 is about 11055.0011759384. The cubic root of 122213051 is about 496.2561044621.

Adding to 122213051 its reverse (150312221), we get a palindrome (272525272).

The spelling of 122213051 in words is "one hundred twenty-two million, two hundred thirteen thousand, fifty-one".