122294286436 has 27 divisors (see below), whose sum is σ = 248966192979. Its totient is φ = 52409738808.

The previous prime is 122294286431. The next prime is 122294286449. The reversal of 122294286436 is 634682492221.

The square root of 122294286436 is 349706.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 122294286436.

It is not an unprimeable number, because it can be changed into a prime (122294286431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4883395 + ... + 4908373.

Almost surely, 2^122294286436 is an apocalyptic number.

122294286436 is the 349706-th square number.

It is an amenable number.

122294286436 is an abundant number, since it is smaller than the sum of its proper divisors (126671906543).

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

122294286436 is an frugal number, since it uses more digits than its factorization.

122294286436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49976 (or 24988 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

Multiplying 122294286436 by its sum of digits (49), we get a square (5992420035364 = 2447942²).

122294286436 divided by its sum of digits (49) gives a square (2495801764 = 49958²).

The spelling of 122294286436 in words is "one hundred twenty-two billion, two hundred ninety-four million, two hundred eighty-six thousand, four hundred thirty-six".