25153222 has 4 divisors (see below), whose sum is σ = 37729836. Its totient is φ = 12576610.

The previous prime is 25153211. The next prime is 25153223. The reversal of 25153222 is 22235152.

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

It is a junction number, because it is equal to n+sod(n) for n = 25153193 and 25153202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25153223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288304 + ... + 6288307.

It is an arithmetic number, because the mean of its divisors is an integer number (9432459).

Almost surely, 2^25153222 is an apocalyptic number.

25153222 is a deficient number, since it is larger than the sum of its proper divisors (12576614).

25153222 is a wasteful number, since it uses less digits than its factorization.

25153222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12576613.

The product of its digits is 1200, while the sum is 22.

The square root of 25153222 is about 5015.2987946881. The cubic root of 25153222 is about 292.9979226945.

Adding to 25153222 its reverse (22235152), we get a palindrome (47388374).

The spelling of 25153222 in words is "twenty-five million, one hundred fifty-three thousand, two hundred twenty-two".