4221401002 has 128 divisors (see below), whose sum is σ = 8693443584. Its totient is φ = 1489010688.

The previous prime is 4221400991. The next prime is 4221401011. The reversal of 4221401002 is 2001041224.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9748978 + ... + 9749410.

It is an arithmetic number, because the mean of its divisors is an integer number (67917528).

Almost surely, 2^4221401002 is an apocalyptic number.

4221401002 is an abundant number, since it is smaller than the sum of its proper divisors (4472042582).

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

4221401002 is a wasteful number, since it uses less digits than its factorization.

4221401002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4221401002 is about 64972.3095018178. The cubic root of 4221401002 is about 1616.1644006212.

Adding to 4221401002 its reverse (2001041224), we get a palindrome (6222442226).

The spelling of 4221401002 in words is "four billion, two hundred twenty-one million, four hundred one thousand, two".