245831922 has 192 divisors, whose sum is σ = 682030080. Its totient is φ = 66134880.

The previous prime is 245831893. The next prime is 245831923. The reversal of 245831922 is 229138542.

It is a happy number.

Its product of digits (34560) is a multiple of the sum of its prime divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245831923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6644088 + ... + 6644124.

It is an arithmetic number, because the mean of its divisors is an integer number (3552240).

Almost surely, 2^245831922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245831922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341015040).

245831922 is an abundant number, since it is smaller than the sum of its proper divisors (436198158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245831922 is an equidigital number, since it uses as much as digits as its factorization.

245831922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 80 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 245831922 is about 15679.0280948788. The cubic root of 245831922 is about 626.4399201669.

It can be divided in two parts, 245831 and 922, that added together give a triangular number (246753 = T₇₀₂).

The spelling of 245831922 in words is "two hundred forty-five million, eight hundred thirty-one thousand, nine hundred twenty-two".