22750739 has 4 divisors (see below), whose sum is σ = 24819000. Its totient is φ = 20682480.

The previous prime is 22750729. The next prime is 22750747. The reversal of 22750739 is 93705722.

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 22750739 - 2⁴ = 22750723 is a prime.

It is a super-2 number, since 2×22750739² = 1035192250092242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22750699 and 22750708.

It is not an unprimeable number, because it can be changed into a prime (22750729) 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, 1034114 + ... + 1034135.

It is an arithmetic number, because the mean of its divisors is an integer number (6204750).

Almost surely, 2^22750739 is an apocalyptic number.

22750739 is a deficient number, since it is larger than the sum of its proper divisors (2068261).

22750739 is a wasteful number, since it uses less digits than its factorization.

22750739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068260.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 22750739 is about 4769.7734747051. The cubic root of 22750739 is about 283.3556234674.

The spelling of 22750739 in words is "twenty-two million, seven hundred fifty thousand, seven hundred thirty-nine".