4221551032 has 16 divisors (see below), whose sum is σ = 7942427640. Its totient is φ = 2103570336.

The previous prime is 4221551023. The next prime is 4221551039. The reversal of 4221551032 is 2301551224.

It is a junction number, because it is equal to n+sod(n) for n = 4221550988 and 4221551006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221551039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898158 + ... + 902845.

Almost surely, 2^4221551032 is an apocalyptic number.

It is an amenable number.

4221551032 is a deficient number, since it is larger than the sum of its proper divisors (3720876608).

4221551032 is a wasteful number, since it uses less digits than its factorization.

4221551032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801302 (or 1801298 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4221551032 is about 64973.4640603377. The cubic root of 4221551032 is about 1616.1835467351.

The spelling of 4221551032 in words is "four billion, two hundred twenty-one million, five hundred fifty-one thousand, thirty-two".