22954247 has 4 divisors (see below), whose sum is σ = 23387400. Its totient is φ = 22521096.

The previous prime is 22954241. The next prime is 22954259. The reversal of 22954247 is 74245922.

22954247 = 94² + 95² + ... + 411².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22954247 - 2⁸ = 22953991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22954241) 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 3 ways as a sum of consecutive naturals, for example, 216497 + ... + 216602.

It is an arithmetic number, because the mean of its divisors is an integer number (5846850).

Almost surely, 2^22954247 is an apocalyptic number.

22954247 is a deficient number, since it is larger than the sum of its proper divisors (433153).

22954247 is an equidigital number, since it uses as much as digits as its factorization.

22954247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433152.

The product of its digits is 40320, while the sum is 35.

The square root of 22954247 is about 4791.0590687237. The cubic root of 22954247 is about 284.1979996964.

The spelling of 22954247 in words is "twenty-two million, nine hundred fifty-four thousand, two hundred forty-seven".