122763222 has 64 divisors (see below), whose sum is σ = 290900160. Its totient is φ = 38241792.

The previous prime is 122763209. The next prime is 122763227. The reversal of 122763222 is 222367221.

122763222 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 632 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122763227) 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, 158428 + ... + 159200.

It is an arithmetic number, because the mean of its divisors is an integer number (4545315).

Almost surely, 2^122763222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122763222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145450080).

122763222 is an abundant number, since it is smaller than the sum of its proper divisors (168136938).

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

122763222 is a wasteful number, since it uses less digits than its factorization.

122763222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 968 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 122763222 is about 11079.8565875195. The cubic root of 122763222 is about 496.9996612807. Note that the first 3 decimals are identical.

The spelling of 122763222 in words is "one hundred twenty-two million, seven hundred sixty-three thousand, two hundred twenty-two".