1922134898 has 8 divisors (see below), whose sum is σ = 2895577308. Its totient is φ = 956942464.

The previous prime is 1922134891. The next prime is 1922134901. The reversal of 1922134898 is 8984312291.

It can be written as a sum of positive squares in 2 ways, for example, as 1549760689 + 372374209 = 39367^2 + 19297^2 .

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

It is a super-2 number, since 2×1922134898² = 7389205132218940808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1922134891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061911 + ... + 2062842.

Almost surely, 2^1922134898 is an apocalyptic number.

1922134898 is a deficient number, since it is larger than the sum of its proper divisors (973442410).

1922134898 is a wasteful number, since it uses less digits than its factorization.

1922134898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124988.

The product of its digits is 248832, while the sum is 47.

The square root of 1922134898 is about 43842.1589112580. The cubic root of 1922134898 is about 1243.3535001093.

The spelling of 1922134898 in words is "one billion, nine hundred twenty-two million, one hundred thirty-four thousand, eight hundred ninety-eight".