20022001222 has 32 divisors (see below), whose sum is σ = 32306688000. Its totient is φ = 9276461568.

The previous prime is 20022001199. The next prime is 20022001229. The reversal of 20022001222 is 22210022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022001229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4282278 + ... + 4286950.

It is an arithmetic number, because the mean of its divisors is an integer number (1009584000).

Almost surely, 2^20022001222 is an apocalyptic number.

20022001222 is a deficient number, since it is larger than the sum of its proper divisors (12284686778).

20022001222 is a wasteful number, since it uses less digits than its factorization.

20022001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022001222 its reverse (22210022002), we get a palindrome (42232023224).

The spelling of 20022001222 in words is "twenty billion, twenty-two million, one thousand, two hundred twenty-two".