442150122 has 16 divisors (see below), whose sum is σ = 884537280. Its totient is φ = 147343872.

The previous prime is 442150087. The next prime is 442150141. The reversal of 442150122 is 221051244.

It is a super-2 number, since 2×442150122² = 390993460769229768, which 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, 22579 + ... + 37337.

It is an arithmetic number, because the mean of its divisors is an integer number (55283580).

Almost surely, 2^442150122 is an apocalyptic number.

442150122 is an abundant number, since it is smaller than the sum of its proper divisors (442387158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442150122 is a wasteful number, since it uses less digits than its factorization.

442150122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19757.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 442150122 is about 21027.3660262050. The cubic root of 442150122 is about 761.8273904469.

The spelling of 442150122 in words is "four hundred forty-two million, one hundred fifty thousand, one hundred twenty-two".