122244550 has 12 divisors (see below), whose sum is σ = 227374956. Its totient is φ = 48897800.

The previous prime is 122244547. The next prime is 122244583. The reversal of 122244550 is 55442221.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 1222396 + ... + 1222495.

It is an arithmetic number, because the mean of its divisors is an integer number (18947913).

Almost surely, 2^122244550 is an apocalyptic number.

122244550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122244550 is a deficient number, since it is larger than the sum of its proper divisors (105130406).

122244550 is a wasteful number, since it uses less digits than its factorization.

122244550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444903 (or 2444898 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 122244550 is about 11056.4257334819. The cubic root of 122244550 is about 496.2987355563.

Adding to 122244550 its reverse (55442221), we get a palindrome (177686771).

The spelling of 122244550 in words is "one hundred twenty-two million, two hundred forty-four thousand, five hundred fifty".