22893947 has 8 divisors (see below), whose sum is σ = 24295680. Its totient is φ = 21526120.

The previous prime is 22893943. The next prime is 22893977. The reversal of 22893947 is 74939822.

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 22893947 - 2² = 22893943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22893898 and 22893907.

It is not an unprimeable number, because it can be changed into a prime (22893943) 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, 7079 + ... + 9792.

It is an arithmetic number, because the mean of its divisors is an integer number (3036960).

Almost surely, 2^22893947 is an apocalyptic number.

22893947 is a deficient number, since it is larger than the sum of its proper divisors (1401733).

22893947 is a wasteful number, since it uses less digits than its factorization.

22893947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16953.

The product of its digits is 217728, while the sum is 44.

The square root of 22893947 is about 4784.7619585513. The cubic root of 22893947 is about 283.9489220777.

The spelling of 22893947 in words is "twenty-two million, eight hundred ninety-three thousand, nine hundred forty-seven".