22770039 has 4 divisors (see below), whose sum is σ = 30360056. Its totient is φ = 15180024.

The previous prime is 22769951. The next prime is 22770049. The reversal of 22770039 is 93007722.

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

It is not a de Polignac number, because 22770039 - 2¹¹ = 22767991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22769988 and 22770015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22770049) 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, 3795004 + ... + 3795009.

It is an arithmetic number, because the mean of its divisors is an integer number (7590014).

Almost surely, 2^22770039 is an apocalyptic number.

22770039 is a deficient number, since it is larger than the sum of its proper divisors (7590017).

22770039 is an equidigital number, since it uses as much as digits as its factorization.

22770039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590016.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 22770039 is about 4771.7962026893. The cubic root of 22770039 is about 283.4357266212.

The spelling of 22770039 in words is "twenty-two million, seven hundred seventy thousand, thirty-nine".