545904022 has 4 divisors (see below), whose sum is σ = 818856036. Its totient is φ = 272952010.

The previous prime is 545903987. The next prime is 545904083. The reversal of 545904022 is 220409545.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×545904022² = 596022402471552968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136476004 + ... + 136476007.

It is an arithmetic number, because the mean of its divisors is an integer number (204714009).

Almost surely, 2^545904022 is an apocalyptic number.

545904022 is a deficient number, since it is larger than the sum of its proper divisors (272952014).

545904022 is a wasteful number, since it uses less digits than its factorization.

545904022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272952013.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 545904022 is about 23364.5890612268. The cubic root of 545904022 is about 817.2823085910.

The spelling of 545904022 in words is "five hundred forty-five million, nine hundred four thousand, twenty-two".