45222437 has 8 divisors (see below), whose sum is σ = 49013496. Its totient is φ = 41476032.

The previous prime is 45222433. The next prime is 45222449. The reversal of 45222437 is 73422254.

It can be written as a sum of positive squares in 4 ways, for example, as 3632836 + 41589601 = 1906^2 + 6449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45222437 - 2² = 45222433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45222433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9038 + ... + 13119.

It is an arithmetic number, because the mean of its divisors is an integer number (6126687).

Almost surely, 2^45222437 is an apocalyptic number.

It is an amenable number.

45222437 is a deficient number, since it is larger than the sum of its proper divisors (3791059).

45222437 is a wasteful number, since it uses less digits than its factorization.

45222437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22327.

The product of its digits is 13440, while the sum is 29.

The square root of 45222437 is about 6724.7629698005. The cubic root of 45222437 is about 356.2744301703.

The spelling of 45222437 in words is "forty-five million, two hundred twenty-two thousand, four hundred thirty-seven".