22425769 has 8 divisors (see below), whose sum is σ = 22742720. Its totient is φ = 22111056.

The previous prime is 22425763. The next prime is 22425779. The reversal of 22425769 is 96752422.

22425769 = 206² + 207² + ... + 423².

It is a happy number.

It is a Cunningham number, because it is equal to 282³+1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22425769 - 2³ = 22425761 is a prime.

It is a super-2 number, since 2×22425769² = 1005830230482722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22425761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30484 + ... + 31210.

It is an arithmetic number, because the mean of its divisors is an integer number (2842840).

Almost surely, 2^22425769 is an apocalyptic number.

It is an amenable number.

22425769 is a deficient number, since it is larger than the sum of its proper divisors (316951).

22425769 is a wasteful number, since it uses less digits than its factorization.

22425769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119.

The product of its digits is 60480, while the sum is 37.

The square root of 22425769 is about 4735.5853914801. The cubic root of 22425769 is about 282.0000041916. Note that the first 5 decimals are identical.

The spelling of 22425769 in words is "twenty-two million, four hundred twenty-five thousand, seven hundred sixty-nine".