32225551 has 8 divisors (see below), whose sum is σ = 32927904. Its totient is φ = 31530240.

The previous prime is 32225521. The next prime is 32225569. The reversal of 32225551 is 15552223.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 32225551 - 2¹³ = 32217359 is a prime.

It is a super-2 number, since 2×32225551² = 2076972274507202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32225521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8071 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (4115988).

Almost surely, 2^32225551 is an apocalyptic number.

32225551 is a deficient number, since it is larger than the sum of its proper divisors (702353).

32225551 is a wasteful number, since it uses less digits than its factorization.

32225551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521.

The product of its digits is 3000, while the sum is 25.

The square root of 32225551 is about 5676.7553232458. The cubic root of 32225551 is about 318.2243811484.

Adding to 32225551 its reverse (15552223), we get a palindrome (47777774).

The spelling of 32225551 in words is "thirty-two million, two hundred twenty-five thousand, five hundred fifty-one".