22220001802 has 8 divisors (see below), whose sum is σ = 33333912612. Its totient is φ = 11108697600.

The previous prime is 22220001757. The next prime is 22220001803. The reversal of 22220001802 is 20810002222.

It can be written as a sum of positive squares in 2 ways, for example, as 22165552161 + 54449641 = 148881^2 + 7379^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22220001802.

It is not an unprimeable number, because it can be changed into a prime (22220001803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630199 + ... + 664522.

Almost surely, 2^22220001802 is an apocalyptic number.

22220001802 is a deficient number, since it is larger than the sum of its proper divisors (11113910810).

22220001802 is a wasteful number, since it uses less digits than its factorization.

22220001802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303304.

The product of its (nonzero) digits is 256, while the sum is 19.

The spelling of 22220001802 in words is "twenty-two billion, two hundred twenty million, one thousand, eight hundred two".