22472783 has 4 divisors (see below), whose sum is σ = 22562568. Its totient is φ = 22383000.

The previous prime is 22472753. The next prime is 22472809. The reversal of 22472783 is 38727422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22472783 - 2¹⁶ = 22407247 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 (22472713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44516 + ... + 45017.

It is an arithmetic number, because the mean of its divisors is an integer number (5640642).

Almost surely, 2^22472783 is an apocalyptic number.

22472783 is a deficient number, since it is larger than the sum of its proper divisors (89785).

22472783 is an equidigital number, since it uses as much as digits as its factorization.

22472783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89784.

The product of its digits is 37632, while the sum is 35.

The square root of 22472783 is about 4740.5466984305. The cubic root of 22472783 is about 282.1969308343.

The spelling of 22472783 in words is "twenty-two million, four hundred seventy-two thousand, seven hundred eighty-three".