45422001 has 12 divisors (see below), whose sum is σ = 65802100. Its totient is φ = 30192480.

The previous prime is 45421991. The next prime is 45422009. The reversal of 45422001 is 10022454.

45422001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 29811600 = 3951^2 + 5460^2 .

It is not a de Polignac number, because 45422001 - 2⁵ = 45421969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45422009) 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 11 ways as a sum of consecutive naturals, for example, 4090 + ... + 10371.

Almost surely, 2^45422001 is an apocalyptic number.

It is an amenable number.

45422001 is a deficient number, since it is larger than the sum of its proper divisors (20380099).

45422001 is a wasteful number, since it uses less digits than its factorization.

45422001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14816 (or 14813 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 45422001 is about 6739.5846311179. The cubic root of 45422001 is about 356.7977339747.

Adding to 45422001 its reverse (10022454), we get a palindrome (55444455).

The spelling of 45422001 in words is "forty-five million, four hundred twenty-two thousand, one".