22978253 has 8 divisors (see below), whose sum is σ = 23820672. Its totient is φ = 22150656.

The previous prime is 22978247. The next prime is 22978259. The reversal of 22978253 is 35287922.

It is an interprime number because it is at equal distance from previous prime (22978247) and next prime (22978259).

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 22978253 - 2¹⁶ = 22912717 is a prime.

It is a super-2 number, since 2×22978253² = 1056000221864018, 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 (22978259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500 + ... + 6797.

It is an arithmetic number, because the mean of its divisors is an integer number (2977584).

Almost surely, 2^22978253 is an apocalyptic number.

It is an amenable number.

22978253 is a deficient number, since it is larger than the sum of its proper divisors (842419).

22978253 is an equidigital number, since it uses as much as digits as its factorization.

22978253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411.

The product of its digits is 60480, while the sum is 38.

The square root of 22978253 is about 4793.5637056370. The cubic root of 22978253 is about 284.2970384524.

The spelling of 22978253 in words is "twenty-two million, nine hundred seventy-eight thousand, two hundred fifty-three".