34632221 has 4 divisors (see below), whose sum is σ = 37296252. Its totient is φ = 31968192.

The previous prime is 34632217. The next prime is 34632223. The reversal of 34632221 is 12223643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3115225 + 31516996 = 1765^2 + 5614^2 .

It is a cyclic number.

It is not a de Polignac number, because 34632221 - 2² = 34632217 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 (34632223) 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, 1331996 + ... + 1332021.

It is an arithmetic number, because the mean of its divisors is an integer number (9324063).

Almost surely, 2^34632221 is an apocalyptic number.

It is an amenable number.

34632221 is a deficient number, since it is larger than the sum of its proper divisors (2664031).

34632221 is a wasteful number, since it uses less digits than its factorization.

34632221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664030.

The product of its digits is 1728, while the sum is 23.

The square root of 34632221 is about 5884.9146977675. The cubic root of 34632221 is about 325.9568519054.

Adding to 34632221 its reverse (12223643), we get a palindrome (46855864).

The spelling of 34632221 in words is "thirty-four million, six hundred thirty-two thousand, two hundred twenty-one".