402201022220 has 48 divisors (see below), whose sum is σ = 905626189440. Its totient is φ = 149500176384.

The previous prime is 402201022199. The next prime is 402201022229. The reversal of 402201022220 is 22220102204.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (402201022229) 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, 7460129 + ... + 7513848.

It is an arithmetic number, because the mean of its divisors is an integer number (18867212280).

Almost surely, 2^402201022220 is an apocalyptic number.

It is an amenable number.

402201022220 is an abundant number, since it is smaller than the sum of its proper divisors (503425167220).

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

402201022220 is a wasteful number, since it uses less digits than its factorization.

402201022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974082 (or 14974080 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 402201022220 its reverse (22220102204), we get a palindrome (424421124424).

The spelling of 402201022220 in words is "four hundred two billion, two hundred one million, twenty-two thousand, two hundred twenty".