32220469 has 2 divisors, whose sum is σ = 32220470. Its totient is φ = 32220468.

The previous prime is 32220467. The next prime is 32220473. The reversal of 32220469 is 96402223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 2387025 = 5462^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 32220469 - 2¹ = 32220467 is a prime.

It is a super-2 number, since 2×32220469² = 2076317245159922, which contains 22 as substring.

Together with 32220467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32220467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110234 + 16110235.

It is an arithmetic number, because the mean of its divisors is an integer number (16110235).

Almost surely, 2^32220469 is an apocalyptic number.

It is an amenable number.

32220469 is a deficient number, since it is larger than the sum of its proper divisors (1).

32220469 is an equidigital number, since it uses as much as digits as its factorization.

32220469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 32220469 is about 5676.3076907440. The cubic root of 32220469 is about 318.2076521733.

The spelling of 32220469 in words is "thirty-two million, two hundred twenty thousand, four hundred sixty-nine".