122228390739 has 32 divisors (see below), whose sum is σ = 200665583104. Its totient is φ = 64444584960.

The previous prime is 122228390737. The next prime is 122228390749. The reversal of 122228390739 is 937093822221.

It is a happy number.

It is not a de Polignac number, because 122228390739 - 2¹ = 122228390737 is a prime.

It is a super-2 number, since 2×122228390739² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122228390731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552867 + ... + 741699.

It is an arithmetic number, because the mean of its divisors is an integer number (6270799472).

Almost surely, 2^122228390739 is an apocalyptic number.

122228390739 is a deficient number, since it is larger than the sum of its proper divisors (78437192365).

122228390739 is a wasteful number, since it uses less digits than its factorization.

122228390739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191227.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 122228390739 in words is "one hundred twenty-two billion, two hundred twenty-eight million, three hundred ninety thousand, seven hundred thirty-nine".