546222645 has 24 divisors (see below), whose sum is σ = 956167992. Its totient is φ = 288432000.

The previous prime is 546222641. The next prime is 546222647.

546222645 is a `hidden beast` number, since 5 + 4 + 6 + 2 + 2 + 2 + 645 = 666.

546222645 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 340070481 + 206152164 = 18441^2 + 14358^2 .

It is not a de Polignac number, because 546222645 - 2² = 546222641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546222641) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 55546 + ... + 64635.

It is an arithmetic number, because the mean of its divisors is an integer number (39840333).

Almost surely, 2^546222645 is an apocalyptic number.

It is an amenable number.

546222645 is a deficient number, since it is larger than the sum of its proper divisors (409945347).

546222645 is a wasteful number, since it uses less digits than its factorization.

546222645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120293 (or 120290 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 546222645 is about 23371.4065687113. The cubic root of 546222645 is about 817.4412829920.

The spelling of 546222645 in words is "five hundred forty-six million, two hundred twenty-two thousand, six hundred forty-five".