25222024 has 8 divisors (see below), whose sum is σ = 47291310. Its totient is φ = 12611008.

The previous prime is 25222019. The next prime is 25222031. The reversal of 25222024 is 42022252.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 11009124 = 3770^2 + 3318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25221992 and 25222010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1576369 + ... + 1576384.

Almost surely, 2^25222024 is an apocalyptic number.

It is an amenable number.

25222024 is a deficient number, since it is larger than the sum of its proper divisors (22069286).

25222024 is a wasteful number, since it uses less digits than its factorization.

25222024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152759 (or 3152755 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 25222024 is about 5022.1533230279. The cubic root of 25222024 is about 293.2648267475.

Adding to 25222024 its reverse (42022252), we get a palindrome (67244276).

The spelling of 25222024 in words is "twenty-five million, two hundred twenty-two thousand, twenty-four".