25022943 has 48 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 14040000.

The previous prime is 25022939. The next prime is 25022999. The reversal of 25022943 is 34922052.

It is not a de Polignac number, because 25022943 - 2² = 25022939 is a prime.

It is a super-2 number, since 2×25022943² = 1252295352762498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25022443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99568 + ... + 99818.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^25022943 is an apocalyptic number.

25022943 is a deficient number, since it is larger than the sum of its proper divisors (17434017).

25022943 is a wasteful number, since it uses less digits than its factorization.

25022943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25022943 is about 5002.2937738601. The cubic root of 25022943 is about 292.4911941246.

Adding to 25022943 its reverse (34922052), we get a palindrome (59944995).

It can be divided in two parts, 2502 and 2943, that added together give a palindrome (5445).

The spelling of 25022943 in words is "twenty-five million, twenty-two thousand, nine hundred forty-three".