22001022402 has 8 divisors (see below), whose sum is σ = 44002044816. Its totient is φ = 7333674132.

The previous prime is 22001022371. The next prime is 22001022427. The reversal of 22001022402 is 20422010022.

It is a sphenic number, since it is the product of 3 distinct primes.

22001022402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833418528 + ... + 1833418539.

It is an arithmetic number, because the mean of its divisors is an integer number (5500255602).

Almost surely, 2^22001022402 is an apocalyptic number.

22001022402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22001022402 is a wasteful number, since it uses less digits than its factorization.

22001022402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666837072.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22001022402 its reverse (20422010022), we get a palindrome (42423032424).

The spelling of 22001022402 in words is "twenty-two billion, one million, twenty-two thousand, four hundred two".