1954922798 has 4 divisors (see below), whose sum is σ = 2932384200. Its totient is φ = 977461398.

The previous prime is 1954922779. The next prime is 1954922831. The reversal of 1954922798 is 8972294591.

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

It is a super-2 number, since 2×1954922798² = 7643446292280297608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488730698 + ... + 488730701.

It is an arithmetic number, because the mean of its divisors is an integer number (733096050).

Almost surely, 2^1954922798 is an apocalyptic number.

1954922798 is a deficient number, since it is larger than the sum of its proper divisors (977461402).

1954922798 is an equidigital number, since it uses as much as digits as its factorization.

1954922798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977461401.

The product of its digits is 3265920, while the sum is 56.

The square root of 1954922798 is about 44214.5089082758. The cubic root of 1954922798 is about 1250.3834126238.

The spelling of 1954922798 in words is "one billion, nine hundred fifty-four million, nine hundred twenty-two thousand, seven hundred ninety-eight".