1922494698 has 96 divisors (see below), whose sum is σ = 4519157760. Its totient is φ = 588915360.

The previous prime is 1922494643. The next prime is 1922494711. The reversal of 1922494698 is 8964942291.

1922494698 is a `hidden beast` number, since 1 + 92 + 2 + 494 + 69 + 8 = 666.

It is a super-2 number, since 2×1922494698² = 7391971727676222408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2091483 + ... + 2092401.

It is an arithmetic number, because the mean of its divisors is an integer number (47074560).

Almost surely, 2^1922494698 is an apocalyptic number.

1922494698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1922494698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259578880).

1922494698 is an abundant number, since it is smaller than the sum of its proper divisors (2596663062).

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

1922494698 is a wasteful number, since it uses less digits than its factorization.

1922494698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1141 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1922494698 is about 43846.2620755749. The cubic root of 1922494698 is about 1243.4310754275.

The spelling of 1922494698 in words is "one billion, nine hundred twenty-two million, four hundred ninety-four thousand, six hundred ninety-eight".