22421469 has 24 divisors (see below), whose sum is σ = 35079168. Its totient is φ = 12700800.

The previous prime is 22421461. The next prime is 22421479. The reversal of 22421469 is 96412422.

It is not a de Polignac number, because 22421469 - 2³ = 22421461 is a prime.

It is a super-2 number, since 2×22421469² = 1005444544235922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18069 + ... + 19269.

It is an arithmetic number, because the mean of its divisors is an integer number (1461632).

Almost surely, 2^22421469 is an apocalyptic number.

It is an amenable number.

22421469 is a deficient number, since it is larger than the sum of its proper divisors (12657699).

22421469 is a wasteful number, since it uses less digits than its factorization.

22421469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1338 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 22421469 is about 4735.1313603743. The cubic root of 22421469 is about 281.9819791311.

The spelling of 22421469 in words is "twenty-two million, four hundred twenty-one thousand, four hundred sixty-nine".