22361669 has 4 divisors (see below), whose sum is σ = 24394560. Its totient is φ = 20328780.

The previous prime is 22361657. The next prime is 22361671. The reversal of 22361669 is 96616322.

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 22361669 - 2²⁰ = 21313093 is a prime.

It is a super-2 number, since 2×22361669² = 1000088480931122, 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 (22361869) 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, 1016429 + ... + 1016450.

It is an arithmetic number, because the mean of its divisors is an integer number (6098640).

Almost surely, 2^22361669 is an apocalyptic number.

It is an amenable number.

22361669 is a deficient number, since it is larger than the sum of its proper divisors (2032891).

22361669 is a wasteful number, since it uses less digits than its factorization.

22361669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032890.

The product of its digits is 23328, while the sum is 35.

The square root of 22361669 is about 4728.8126416681. The cubic root of 22361669 is about 281.7310658082.

The spelling of 22361669 in words is "twenty-two million, three hundred sixty-one thousand, six hundred sixty-nine".