4223220402 has 32 divisors (see below), whose sum is σ = 8893912320. Its totient is φ = 1333210320.

The previous prime is 4223220349. The next prime is 4223220409. The reversal of 4223220402 is 2040223224.

It is not an unprimeable number, because it can be changed into a prime (4223220409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682173 + ... + 688335.

It is an arithmetic number, because the mean of its divisors is an integer number (277934760).

Almost surely, 2^4223220402 is an apocalyptic number.

4223220402 is an abundant number, since it is smaller than the sum of its proper divisors (4670691918).

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

4223220402 is a wasteful number, since it uses less digits than its factorization.

4223220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12198.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4223220402 is about 64986.3093428147. The cubic root of 4223220402 is about 1616.3965531831.

Adding to 4223220402 its reverse (2040223224), we get a palindrome (6263443626).

The spelling of 4223220402 in words is "four billion, two hundred twenty-three million, two hundred twenty thousand, four hundred two".