25542022 has 8 divisors (see below), whose sum is σ = 41796072. Its totient is φ = 11610000.

The previous prime is 25542001. The next prime is 25542031. The reversal of 25542022 is 22024552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1161001 = 25542022 / (2 + 5 + 5 + 4 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 25541984 and 25542002.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 580479 + ... + 580522.

It is an arithmetic number, because the mean of its divisors is an integer number (5224509).

Almost surely, 2^25542022 is an apocalyptic number.

25542022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25542022 is a deficient number, since it is larger than the sum of its proper divisors (16254050).

25542022 is a wasteful number, since it uses less digits than its factorization.

25542022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161014.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 25542022 is about 5053.9115544299. The cubic root of 25542022 is about 294.4998592378.

Adding to 25542022 its reverse (22024552), we get a palindrome (47566574).

The spelling of 25542022 in words is "twenty-five million, five hundred forty-two thousand, twenty-two".