32225513 has 4 divisors (see below), whose sum is σ = 32240208. Its totient is φ = 32210820.

The previous prime is 32225491. The next prime is 32225521. The reversal of 32225513 is 31552223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31552223 = 461 ⋅68443.

It is a cyclic number.

It is not a de Polignac number, because 32225513 - 2¹² = 32221417 is a prime.

It is a super-2 number, since 2×32225513² = 2076967376226338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32225813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3323 + ... + 8688.

It is an arithmetic number, because the mean of its divisors is an integer number (8060052).

Almost surely, 2^32225513 is an apocalyptic number.

It is an amenable number.

32225513 is a deficient number, since it is larger than the sum of its proper divisors (14695).

32225513 is a wasteful number, since it uses less digits than its factorization.

32225513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14694.

The product of its digits is 1800, while the sum is 23.

The square root of 32225513 is about 5676.7519762625. The cubic root of 32225513 is about 318.2242560662.

Adding to 32225513 its reverse (31552223), we get a palindrome (63777736).

The spelling of 32225513 in words is "thirty-two million, two hundred twenty-five thousand, five hundred thirteen".