442154022 has 16 divisors (see below), whose sum is σ = 887673600. Its totient is φ = 146823752.

The previous prime is 442154021. The next prime is 442154029. The reversal of 442154022 is 220451244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442153983 and 442154001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442154021) 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, 138522 + ... + 141677.

It is an arithmetic number, because the mean of its divisors is an integer number (55479600).

Almost surely, 2^442154022 is an apocalyptic number.

442154022 is an abundant number, since it is smaller than the sum of its proper divisors (445519578).

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

442154022 is a wasteful number, since it uses less digits than its factorization.

442154022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280467.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 442154022 is about 21027.4587622946. The cubic root of 442154022 is about 761.8296303483.

The spelling of 442154022 in words is "four hundred forty-two million, one hundred fifty-four thousand, twenty-two".