22272469 has 4 divisors (see below), whose sum is σ = 22540896. Its totient is φ = 22004044.

The previous prime is 22272457. The next prime is 22272473. The reversal of 22272469 is 96427222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22272469 - 2¹⁷ = 22141397 is a prime.

It is a super-2 number, since 2×22272469² = 992125750711922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22272169) 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, 134089 + ... + 134254.

It is an arithmetic number, because the mean of its divisors is an integer number (5635224).

Almost surely, 2^22272469 is an apocalyptic number.

It is an amenable number.

22272469 is a deficient number, since it is larger than the sum of its proper divisors (268427).

22272469 is an equidigital number, since it uses as much as digits as its factorization.

22272469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268426.

The product of its digits is 24192, while the sum is 34.

The square root of 22272469 is about 4719.3716742804. The cubic root of 22272469 is about 281.3559611276.

The spelling of 22272469 in words is "twenty-two million, two hundred seventy-two thousand, four hundred sixty-nine".