25222010 has 32 divisors (see below), whose sum is σ = 49859712. Its totient is φ = 9110080.

The previous prime is 25221997. The next prime is 25222013. The reversal of 25222010 is 1022252.

It is a super-2 number, since 2×25222010² = 1272299576880200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17684 + ... + 19056.

It is an arithmetic number, because the mean of its divisors is an integer number (1558116).

Almost surely, 2^25222010 is an apocalyptic number.

25222010 is a deficient number, since it is larger than the sum of its proper divisors (24637702).

25222010 is a wasteful number, since it uses less digits than its factorization.

25222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 25222010 is about 5022.1519292033. The cubic root of 25222010 is about 293.2647724866.

Adding to 25222010 its reverse (1022252), we get a palindrome (26244262).

The spelling of 25222010 in words is "twenty-five million, two hundred twenty-two thousand, ten".