4221845092 has 24 divisors (see below), whose sum is σ = 7579024992. Its totient is φ = 2056656000.

The previous prime is 4221845057. The next prime is 4221845129. The reversal of 4221845092 is 2905481224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38367 + ... + 99577.

It is an arithmetic number, because the mean of its divisors is an integer number (315792708).

Almost surely, 2^4221845092 is an apocalyptic number.

It is an amenable number.

4221845092 is a deficient number, since it is larger than the sum of its proper divisors (3357179900).

4221845092 is a wasteful number, since it uses less digits than its factorization.

4221845092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61659 (or 61657 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 4221845092 is about 64975.7269447599. The cubic root of 4221845092 is about 1616.2210719555.

The spelling of 4221845092 in words is "four billion, two hundred twenty-one million, eight hundred forty-five thousand, ninety-two".