20222802 has 48 divisors (see below), whose sum is σ = 47736000. Its totient is φ = 6162912.

The previous prime is 20222791. The next prime is 20222827. The reversal of 20222802 is 20822202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8899 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (994500).

Almost surely, 2^20222802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23868000).

20222802 is an abundant number, since it is smaller than the sum of its proper divisors (27513198).

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

20222802 is a wasteful number, since it uses less digits than its factorization.

20222802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 20222802 is about 4496.9769845975. The cubic root of 20222802 is about 272.4460045079.

The spelling of 20222802 in words is "twenty million, two hundred twenty-two thousand, eight hundred two".