122284138 has 16 divisors (see below), whose sum is σ = 187800480. Its totient is φ = 59698800.

The previous prime is 122284103. The next prime is 122284139. The reversal of 122284138 is 831482221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122284139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13353 + ... + 20563.

It is an arithmetic number, because the mean of its divisors is an integer number (11737530).

Almost surely, 2^122284138 is an apocalyptic number.

122284138 is a deficient number, since it is larger than the sum of its proper divisors (65516342).

122284138 is a wasteful number, since it uses less digits than its factorization.

122284138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413.

The product of its digits is 6144, while the sum is 31.

The square root of 122284138 is about 11058.2158597126. The cubic root of 122284138 is about 496.3523040080.

The spelling of 122284138 in words is "one hundred twenty-two million, two hundred eighty-four thousand, one hundred thirty-eight".