32266421 has 4 divisors (see below), whose sum is σ = 35199744. Its totient is φ = 29333100.

The previous prime is 32266411. The next prime is 32266477. The reversal of 32266421 is 12466223.

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.

It is a cyclic number.

It is not a de Polignac number, because 32266421 - 2¹⁰ = 32265397 is a prime.

It is a super-2 number, since 2×32266421² = 2082243848298482, 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 (32266411) 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, 1466645 + ... + 1466666.

It is an arithmetic number, because the mean of its divisors is an integer number (8799936).

Almost surely, 2^32266421 is an apocalyptic number.

It is an amenable number.

32266421 is a deficient number, since it is larger than the sum of its proper divisors (2933323).

32266421 is a wasteful number, since it uses less digits than its factorization.

32266421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933322.

The product of its digits is 3456, while the sum is 26.

The square root of 32266421 is about 5680.3539502394. The cubic root of 32266421 is about 318.3588534922.

The spelling of 32266421 in words is "thirty-two million, two hundred sixty-six thousand, four hundred twenty-one".