45238022 has 4 divisors (see below), whose sum is σ = 67857036. Its totient is φ = 22619010.

The previous prime is 45237979. The next prime is 45238051. The reversal of 45238022 is 22083254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22083254 = 2 ⋅11041627.

It is a junction number, because it is equal to n+sod(n) for n = 45237982 and 45238000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11309504 + ... + 11309507.

It is an arithmetic number, because the mean of its divisors is an integer number (16964259).

Almost surely, 2^45238022 is an apocalyptic number.

45238022 is a deficient number, since it is larger than the sum of its proper divisors (22619014).

45238022 is a wasteful number, since it uses less digits than its factorization.

45238022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22619013.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 45238022 is about 6725.9216468823. The cubic root of 45238022 is about 356.3153530663.

The spelling of 45238022 in words is "forty-five million, two hundred thirty-eight thousand, twenty-two".