920222839 has 8 divisors (see below), whose sum is σ = 969096240. Its totient is φ = 871393536.

The previous prime is 920222837. The next prime is 920222843. The reversal of 920222839 is 938222029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 920222839 - 2¹ = 920222837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 920222798 and 920222807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920222837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37287 + ... + 56839.

It is an arithmetic number, because the mean of its divisors is an integer number (121137030).

Almost surely, 2^920222839 is an apocalyptic number.

920222839 is a deficient number, since it is larger than the sum of its proper divisors (48873401).

920222839 is a wasteful number, since it uses less digits than its factorization.

920222839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22049.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 920222839 is about 30335.1749459270. The cubic root of 920222839 is about 972.6673455034.

It can be divided in two parts, 9202 and 22839, that added together give a square (32041 = 179²).

The spelling of 920222839 in words is "nine hundred twenty million, two hundred twenty-two thousand, eight hundred thirty-nine".