1421774118 has 24 divisors (see below), whose sum is σ = 3214446768. Its totient is φ = 453319152.

The previous prime is 1421774113. The next prime is 1421774143. The reversal of 1421774118 is 8114771241.

It is a super-2 number, since 2×1421774118² = 4042883285229355848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421774113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1716705 + ... + 1717532.

It is an arithmetic number, because the mean of its divisors is an integer number (133935282).

Almost surely, 2^1421774118 is an apocalyptic number.

1421774118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1421774118 is an abundant number, since it is smaller than the sum of its proper divisors (1792672650).

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

1421774118 is a wasteful number, since it uses less digits than its factorization.

1421774118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434268 (or 3434265 counting only the distinct ones).

The product of its digits is 12544, while the sum is 36.

The square root of 1421774118 is about 37706.4201164735. The cubic root of 1421774118 is about 1124.4587666193.

The spelling of 1421774118 in words is "one billion, four hundred twenty-one million, seven hundred seventy-four thousand, one hundred eighteen".