122277240442 has 16 divisors (see below), whose sum is σ = 211973388480. Its totient is φ = 51815716128.

The previous prime is 122277240439. The next prime is 122277240461. The reversal of 122277240442 is 244042772221.

It is a happy number.

It is a super-2 number, since 2×122277240442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49066668 + ... + 49069159.

It is an arithmetic number, because the mean of its divisors is an integer number (13248336780).

Almost surely, 2^122277240442 is an apocalyptic number.

122277240442 is a deficient number, since it is larger than the sum of its proper divisors (89696148038).

122277240442 is an equidigital number, since it uses as much as digits as its factorization.

122277240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98135925.

The product of its (nonzero) digits is 100352, while the sum is 37.

The spelling of 122277240442 in words is "one hundred twenty-two billion, two hundred seventy-seven million, two hundred forty thousand, four hundred forty-two".