22000000002 has 16 divisors (see below), whose sum is σ = 44028908640. Its totient is φ = 7328515232.

The previous prime is 21999999977. The next prime is 22000000007. The reversal of 22000000002 is 20000000022.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (22000000007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194627 + ... + 1212902.

It is an arithmetic number, because the mean of its divisors is an integer number (2751806790).

Almost surely, 2^22000000002 is an apocalyptic number.

22000000002 is an abundant number, since it is smaller than the sum of its proper divisors (22028908638).

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

22000000002 is a wasteful number, since it uses less digits than its factorization.

22000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409057.

The product of its (nonzero) digits is 8, while the sum is 6.

Adding to 22000000002 its reverse (20000000022), we get a palindrome (42000000024).

It can be divided in two parts, 2 and 2000000002, that multiplied together give a palindrome (4000000004).

The spelling of 22000000002 in words is "twenty-two billion, two", and thus it is an aban number and an uban number.