22025151 has 6 divisors (see below), whose sum is σ = 31814120. Its totient is φ = 14683428.

The previous prime is 22025147. The next prime is 22025153. The reversal of 22025151 is 15152022.

It is not a de Polignac number, because 22025151 - 2² = 22025147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025153) 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 5 ways as a sum of consecutive naturals, for example, 1223611 + ... + 1223628.

Almost surely, 2^22025151 is an apocalyptic number.

22025151 is a deficient number, since it is larger than the sum of its proper divisors (9788969).

22025151 is a wasteful number, since it uses less digits than its factorization.

22025151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447245 (or 2447242 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 22025151 is about 4693.0960995914. The cubic root of 22025151 is about 280.3106713266.

Adding to 22025151 its reverse (15152022), we get a palindrome (37177173).

The spelling of 22025151 in words is "twenty-two million, twenty-five thousand, one hundred fifty-one".