1822722496 has 56 divisors (see below), whose sum is σ = 4183562880. Its totient is φ = 771739392.

The previous prime is 1822722493. The next prime is 1822722511. The reversal of 1822722496 is 6942272281.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822722491) 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, 12675 + ... + 61693.

It is an arithmetic number, because the mean of its divisors is an integer number (74706480).

Almost surely, 2^1822722496 is an apocalyptic number.

1822722496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1822722496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2091781440).

1822722496 is an abundant number, since it is smaller than the sum of its proper divisors (2360840384).

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

1822722496 is an equidigital number, since it uses as much as digits as its factorization.

1822722496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49121 (or 49111 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1822722496 is about 42693.3542369301. The cubic root of 1822722496 is about 1221.5376330222.

The spelling of 1822722496 in words is "one billion, eight hundred twenty-two million, seven hundred twenty-two thousand, four hundred ninety-six".