4421475252 has 36 divisors (see below), whose sum is σ = 11179328160. Its totient is φ = 1473453072.

The previous prime is 4421475251. The next prime is 4421475263. The reversal of 4421475252 is 2525741244.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421475251) 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, 154699 + ... + 181037.

Almost surely, 2^4421475252 is an apocalyptic number.

It is an amenable number.

4421475252 is an abundant number, since it is smaller than the sum of its proper divisors (6757852908).

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

4421475252 is a wasteful number, since it uses less digits than its factorization.

4421475252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31012 (or 31007 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 4421475252 is about 66494.1745719127. The cubic root of 4421475252 is about 1641.3041445915.

The spelling of 4421475252 in words is "four billion, four hundred twenty-one million, four hundred seventy-five thousand, two hundred fifty-two".