42823522 has 16 divisors (see below), whose sum is σ = 73527552. Its totient is φ = 18324000.

The previous prime is 42823513. The next prime is 42823553. The reversal of 42823522 is 22532824.

It is a happy number.

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, 8478 + ... + 12550.

It is an arithmetic number, because the mean of its divisors is an integer number (4595472).

Almost surely, 2^42823522 is an apocalyptic number.

42823522 is a deficient number, since it is larger than the sum of its proper divisors (30704030).

42823522 is a wasteful number, since it uses less digits than its factorization.

42823522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its digits is 7680, while the sum is 28.

The square root of 42823522 is about 6543.9683678942. The cubic root of 42823522 is about 349.8598677111.

The spelling of 42823522 in words is "forty-two million, eight hundred twenty-three thousand, five hundred twenty-two".