1916422562 has 4 divisors (see below), whose sum is σ = 2874633846. Its totient is φ = 958211280.

The previous prime is 1916422559. The next prime is 1916422567. The reversal of 1916422562 is 2652246191.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1706433481 + 209989081 = 41309^2 + 14491^2 .

It is a super-2 number, since 2×1916422562² = 7345350872285287688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1916422567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479105639 + ... + 479105642.

Almost surely, 2^1916422562 is an apocalyptic number.

1916422562 is a deficient number, since it is larger than the sum of its proper divisors (958211284).

1916422562 is an equidigital number, since it uses as much as digits as its factorization.

1916422562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958211283.

The product of its digits is 51840, while the sum is 38.

The square root of 1916422562 is about 43776.9638280226. The cubic root of 1916422562 is about 1242.1205827487.

The spelling of 1916422562 in words is "one billion, nine hundred sixteen million, four hundred twenty-two thousand, five hundred sixty-two".