32225151 has 32 divisors (see below), whose sum is σ = 51609600. Its totient is φ = 17497440.

The previous prime is 32225143. The next prime is 32225153. The reversal of 32225151 is 15152223.

It is not a de Polignac number, because 32225151 - 2³ = 32225143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32225153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37990 + ... + 38828.

It is an arithmetic number, because the mean of its divisors is an integer number (1612800).

Almost surely, 2^32225151 is an apocalyptic number.

32225151 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

32225151 is a deficient number, since it is larger than the sum of its proper divisors (19384449).

32225151 is a wasteful number, since it uses less digits than its factorization.

32225151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its digits is 600, while the sum is 21.

The square root of 32225151 is about 5676.7200917431. The cubic root of 32225151 is about 318.2230644885.

Adding to 32225151 its reverse (15152223), we get a palindrome (47377374).

The spelling of 32225151 in words is "thirty-two million, two hundred twenty-five thousand, one hundred fifty-one".