4103221644 has 48 divisors (see below), whose sum is σ = 10641456000. Its totient is φ = 1367293968.

The previous prime is 4103221621. The next prime is 4103221667. The reversal of 4103221644 is 4461223014.

It is a happy number.

4103221644 is a `hidden beast` number, since 4 + 10 + 3 + 2 + 2 + 1 + 644 = 666.

It is an interprime number because it is at equal distance from previous prime (4103221621) and next prime (4103221667).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591307 + ... + 598205.

It is an arithmetic number, because the mean of its divisors is an integer number (221697000).

Almost surely, 2^4103221644 is an apocalyptic number.

It is an amenable number.

4103221644 is an abundant number, since it is smaller than the sum of its proper divisors (6538234356).

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

4103221644 is a wasteful number, since it uses less digits than its factorization.

4103221644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12419 (or 12411 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4103221644 is about 64056.3942475691. The cubic root of 4103221644 is about 1600.9397661458.

Adding to 4103221644 its reverse (4461223014), we get a palindrome (8564444658).

The spelling of 4103221644 in words is "four billion, one hundred three million, two hundred twenty-one thousand, six hundred forty-four".