25012206 has 16 divisors (see below), whose sum is σ = 55582800. Its totient is φ = 8337384.

The previous prime is 25012193. The next prime is 25012217. The reversal of 25012206 is 60221052.

It is a super-2 number, since 2×25012206² = 1251220897972872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231541 + ... + 231648.

It is an arithmetic number, because the mean of its divisors is an integer number (3473925).

Almost surely, 2^25012206 is an apocalyptic number.

25012206 is an abundant number, since it is smaller than the sum of its proper divisors (30570594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25012206 is a wasteful number, since it uses less digits than its factorization.

25012206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463200 (or 463194 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25012206 is about 5001.2204510499. The cubic root of 25012206 is about 292.4493534927.

Adding to 25012206 its reverse (60221052), we get a palindrome (85233258).

The spelling of 25012206 in words is "twenty-five million, twelve thousand, two hundred six".