2214923724 has 144 divisors (see below), whose sum is σ = 6286856800. Its totient is φ = 670363776.

The previous prime is 2214923677. The next prime is 2214923773. The reversal of 2214923724 is 4273294122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9672042 + ... + 9672270.

Almost surely, 2^2214923724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2214923724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3143428400).

2214923724 is an abundant number, since it is smaller than the sum of its proper divisors (4071933076).

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

2214923724 is a wasteful number, since it uses less digits than its factorization.

2214923724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 330 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2214923724 is about 47062.9761489857. The cubic root of 2214923724 is about 1303.5256807726.

The spelling of 2214923724 in words is "two billion, two hundred fourteen million, nine hundred twenty-three thousand, seven hundred twenty-four".