122250550 has 12 divisors (see below), whose sum is σ = 227386116. Its totient is φ = 48900200.

The previous prime is 122250523. The next prime is 122250563. The reversal of 122250550 is 55052221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222456 + ... + 1222555.

It is an arithmetic number, because the mean of its divisors is an integer number (18948843).

Almost surely, 2^122250550 is an apocalyptic number.

122250550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122250550 is a deficient number, since it is larger than the sum of its proper divisors (105135566).

122250550 is a wasteful number, since it uses less digits than its factorization.

122250550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445023 (or 2445018 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 122250550 is about 11056.6970655798. The cubic root of 122250550 is about 496.3068551922.

The spelling of 122250550 in words is "one hundred twenty-two million, two hundred fifty thousand, five hundred fifty".