22641769 has 4 divisors (see below), whose sum is σ = 22861696. Its totient is φ = 22421844.

The previous prime is 22641767. The next prime is 22641793. The reversal of 22641769 is 96714622.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96714622 = 2 ⋅48357311.

It is a cyclic number.

It is not a de Polignac number, because 22641769 - 2¹ = 22641767 is a prime.

It is a super-2 number, since 2×22641769² = 1025299406898722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22641761) 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, 109809 + ... + 110014.

It is an arithmetic number, because the mean of its divisors is an integer number (5715424).

Almost surely, 2^22641769 is an apocalyptic number.

It is an amenable number.

22641769 is a deficient number, since it is larger than the sum of its proper divisors (219927).

22641769 is a wasteful number, since it uses less digits than its factorization.

22641769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219926.

The product of its digits is 36288, while the sum is 37.

The square root of 22641769 is about 4758.3367892574. The cubic root of 22641769 is about 282.9024998443.

The spelling of 22641769 in words is "twenty-two million, six hundred forty-one thousand, seven hundred sixty-nine".