25042202 has 4 divisors (see below), whose sum is σ = 37563306. Its totient is φ = 12521100.

The previous prime is 25042189. The next prime is 25042223. The reversal of 25042202 is 20224052.

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

It can be written as a sum of positive squares in only one way, i.e., 20802721 + 4239481 = 4561^2 + 2059^2 .

It is a super-2 number, since 2×25042202² = 1254223762017608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260549 + ... + 6260552.

Almost surely, 2^25042202 is an apocalyptic number.

25042202 is a deficient number, since it is larger than the sum of its proper divisors (12521104).

25042202 is a wasteful number, since it uses less digits than its factorization.

25042202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521103.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 25042202 is about 5004.2184204929. The cubic root of 25042202 is about 292.5662138554.

Adding to 25042202 its reverse (20224052), we get a palindrome (45266254).

The spelling of 25042202 in words is "twenty-five million, forty-two thousand, two hundred two".