22699389 has 12 divisors (see below), whose sum is σ = 31111584. Its totient is φ = 14721264.

The previous prime is 22699351. The next prime is 22699427. The reversal of 22699389 is 98399622.

22699389 = T₁₉₀ + T₁₉₁ + ... + T₅₂₂.

It is an interprime number because it is at equal distance from previous prime (22699351) and next prime (22699427).

It is not a de Polignac number, because 22699389 - 2¹³ = 22691197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22692389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1344 + ... + 6870.

It is an arithmetic number, because the mean of its divisors is an integer number (2592632).

Almost surely, 2^22699389 is an apocalyptic number.

It is an amenable number.

22699389 is a deficient number, since it is larger than the sum of its proper divisors (8412195).

22699389 is an equidigital number, since it uses as much as digits as its factorization.

22699389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604 (or 5567 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 22699389 is about 4764.3875786926. The cubic root of 22699389 is about 283.1422784264.

The spelling of 22699389 in words is "twenty-two million, six hundred ninety-nine thousand, three hundred eighty-nine".