32049221 has 2 divisors, whose sum is σ = 32049222. Its totient is φ = 32049220.

The previous prime is 32049209. The next prime is 32049239. The reversal of 32049221 is 12294023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29757025 + 2292196 = 5455^2 + 1514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32049221 is a prime.

It is a super-3 number, since 3×32049221³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32042221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16024610 + 16024611.

It is an arithmetic number, because the mean of its divisors is an integer number (16024611).

Almost surely, 2^32049221 is an apocalyptic number.

It is an amenable number.

32049221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32049221 is an equidigital number, since it uses as much as digits as its factorization.

32049221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 32049221 is about 5661.2031406760. The cubic root of 32049221 is about 317.6429050621.

The spelling of 32049221 in words is "thirty-two million, forty-nine thousand, two hundred twenty-one".