122244690 has 16 divisors (see below), whose sum is σ = 293387328. Its totient is φ = 32598576.

The previous prime is 122244667. The next prime is 122244691. The reversal of 122244690 is 96442221.

It is a super-2 number, since 2×122244690² = 29887528466392200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4074823 = 122244690 / (1 + 2 + 2 + 2 + 4 + 4 + 6 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (122244691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037382 + ... + 2037441.

It is an arithmetic number, because the mean of its divisors is an integer number (18336708).

Almost surely, 2^122244690 is an apocalyptic number.

122244690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122244690 is an abundant number, since it is smaller than the sum of its proper divisors (171142638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122244690 is a wasteful number, since it uses less digits than its factorization.

122244690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074833.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 122244690 is about 11056.4320646400. The cubic root of 122244690 is about 496.2989250175.

The spelling of 122244690 in words is "one hundred twenty-two million, two hundred forty-four thousand, six hundred ninety".