122267730 has 32 divisors (see below), whose sum is σ = 316016064. Its totient is φ = 30096576.

The previous prime is 122267713. The next prime is 122267737. The reversal of 122267730 is 37762221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (122267737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156364 + ... + 157143.

It is an arithmetic number, because the mean of its divisors is an integer number (9875502).

Almost surely, 2^122267730 is an apocalyptic number.

122267730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122267730 is an abundant number, since it is smaller than the sum of its proper divisors (193748334).

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

122267730 is a wasteful number, since it uses less digits than its factorization.

122267730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313530.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 122267730 is about 11057.4739429944. The cubic root of 122267730 is about 496.3301029468.

The spelling of 122267730 in words is "one hundred twenty-two million, two hundred sixty-seven thousand, seven hundred thirty".