442206015355122 has 64 divisors (see below), whose sum is σ = 895187980247040. Its totient is φ = 145613831273856.

The previous prime is 442206015355079. The next prime is 442206015355127. The reversal of 442206015355122 is 221553510602244.

It is not an unprimeable number, because it can be changed into a prime (442206015355127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2923658503 + ... + 2923809749.

It is an arithmetic number, because the mean of its divisors is an integer number (13987312191360).

Almost surely, 2^{442206015355122} is an apocalyptic number.

442206015355122 is an abundant number, since it is smaller than the sum of its proper divisors (452981964891918).

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

442206015355122 is a wasteful number, since it uses less digits than its factorization.

442206015355122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164135.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 442206015355122 its reverse (221553510602244), we get a palindrome (663759525957366).

The spelling of 442206015355122 in words is "four hundred forty-two trillion, two hundred six billion, fifteen million, three hundred fifty-five thousand, one hundred twenty-two".