4428521774 has 4 divisors (see below), whose sum is σ = 6642782664. Its totient is φ = 2214260886.

The previous prime is 4428521761. The next prime is 4428521831. The reversal of 4428521774 is 4771258244.

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

It is a super-2 number, since 2×4428521774² = 39223610205584214152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107130442 + ... + 1107130445.

It is an arithmetic number, because the mean of its divisors is an integer number (1660695666).

Almost surely, 2^4428521774 is an apocalyptic number.

4428521774 is a deficient number, since it is larger than the sum of its proper divisors (2214260890).

4428521774 is a wasteful number, since it uses less digits than its factorization.

4428521774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214260889.

The product of its digits is 501760, while the sum is 44.

The square root of 4428521774 is about 66547.1394877346. The cubic root of 4428521774 is about 1642.1755993702.

The spelling of 4428521774 in words is "four billion, four hundred twenty-eight million, five hundred twenty-one thousand, seven hundred seventy-four".