122245888 has 18 divisors (see below), whose sum is σ = 244014764. Its totient is φ = 61122816.

The previous prime is 122245853. The next prime is 122245889. The reversal of 122245888 is 888542221.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 122245888.

It is not an unprimeable number, because it can be changed into a prime (122245889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238506 + ... + 239017.

Almost surely, 2^122245888 is an apocalyptic number.

It is an amenable number.

122245888 is a deficient number, since it is larger than the sum of its proper divisors (121768876).

122245888 is an frugal number, since it uses more digits than its factorization.

122245888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477539 (or 477525 counting only the distinct ones).

The product of its digits is 81920, while the sum is 40.

The square root of 122245888 is about 11056.4862411166. The cubic root of 122245888 is about 496.3005462581.

The spelling of 122245888 in words is "one hundred twenty-two million, two hundred forty-five thousand, eight hundred eighty-eight".