45922821 has 16 divisors (see below), whose sum is σ = 70823424. Its totient is φ = 25924464.

The previous prime is 45922801. The next prime is 45922823. The reversal of 45922821 is 12822954.

45922821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45922821 - 2⁶ = 45922757 is a prime.

It is a super-3 number, since 3×45922821³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45922823) 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 15 ways as a sum of consecutive naturals, for example, 11431 + ... + 14916.

It is an arithmetic number, because the mean of its divisors is an integer number (4426464).

Almost surely, 2^45922821 is an apocalyptic number.

It is an amenable number.

45922821 is a deficient number, since it is larger than the sum of its proper divisors (24900603).

45922821 is a wasteful number, since it uses less digits than its factorization.

45922821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26440.

The product of its digits is 11520, while the sum is 33.

The square root of 45922821 is about 6776.6378831984. The cubic root of 45922821 is about 358.1042864829.

The spelling of 45922821 in words is "forty-five million, nine hundred twenty-two thousand, eight hundred twenty-one".