1422220002 has 64 divisors (see below), whose sum is σ = 3371808000. Its totient is φ = 399651840.

The previous prime is 1422219979. The next prime is 1422220003. The reversal of 1422220002 is 2000222241.

It is not an unprimeable number, because it can be changed into a prime (1422220003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119874 + ... + 131202.

It is an arithmetic number, because the mean of its divisors is an integer number (52684500).

Almost surely, 2^1422220002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422220002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685904000).

1422220002 is an abundant number, since it is smaller than the sum of its proper divisors (1949587998).

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

1422220002 is a wasteful number, since it uses less digits than its factorization.

1422220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11416 (or 11402 counting only the distinct ones).

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

The square root of 1422220002 is about 37712.3322270050. The cubic root of 1422220002 is about 1124.5763018787.

Adding to 1422220002 its reverse (2000222241), we get a palindrome (3422442243).

The spelling of 1422220002 in words is "one billion, four hundred twenty-two million, two hundred twenty thousand, two".