213220022239 has 4 divisors (see below), whose sum is σ = 243680025424. Its totient is φ = 182760019056.

The previous prime is 213220022203. The next prime is 213220022329. The reversal of 213220022239 is 932220022312.

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

It is a cyclic number.

It is not a de Polignac number, because 213220022239 - 2⁷ = 213220022111 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 (213220022839) 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, 15230001582 + ... + 15230001595.

It is an arithmetic number, because the mean of its divisors is an integer number (60920006356).

Almost surely, 2^213220022239 is an apocalyptic number.

213220022239 is a deficient number, since it is larger than the sum of its proper divisors (30460003185).

213220022239 is an equidigital number, since it uses as much as digits as its factorization.

213220022239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30460003184.

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

The spelling of 213220022239 in words is "two hundred thirteen billion, two hundred twenty million, twenty-two thousand, two hundred thirty-nine".