122722264 has 48 divisors (see below), whose sum is σ = 273408480. Its totient is φ = 51468480.

The previous prime is 122722247. The next prime is 122722267. The reversal of 122722264 is 462227221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122722267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15094 + ... + 21754.

It is an arithmetic number, because the mean of its divisors is an integer number (5696010).

Almost surely, 2^122722264 is an apocalyptic number.

122722264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122722264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136704240).

122722264 is an abundant number, since it is smaller than the sum of its proper divisors (150686216).

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

122722264 is a wasteful number, since it uses less digits than its factorization.

122722264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6717 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 122722264 is about 11078.0081242072. The cubic root of 122722264 is about 496.9443831172.

Adding to 122722264 its reverse (462227221), we get a palindrome (584949485).

The spelling of 122722264 in words is "one hundred twenty-two million, seven hundred twenty-two thousand, two hundred sixty-four".