1516473922 has 4 divisors (see below), whose sum is σ = 2274710886. Its totient is φ = 758236960.

The previous prime is 1516473911. The next prime is 1516473977. The reversal of 1516473922 is 2293746151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2293746151 = 4517 ⋅507803.

It can be written as a sum of positive squares in only one way, i.e., 1319941561 + 196532361 = 36331^2 + 14019^2 .

It is a super-2 number, since 2×1516473922² = 4599386312212124168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379118479 + ... + 379118482.

Almost surely, 2^1516473922 is an apocalyptic number.

1516473922 is a deficient number, since it is larger than the sum of its proper divisors (758236964).

1516473922 is an equidigital number, since it uses as much as digits as its factorization.

1516473922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758236963.

The product of its digits is 90720, while the sum is 40.

The square root of 1516473922 is about 38941.9301267926. The cubic root of 1516473922 is about 1148.8896458503.

The spelling of 1516473922 in words is "one billion, five hundred sixteen million, four hundred seventy-three thousand, nine hundred twenty-two".