1222040002 has 32 divisors (see below), whose sum is σ = 2053112832. Its totient is φ = 542513664.

The previous prime is 1222039993. The next prime is 1222040003. The reversal of 1222040002 is 2000402221.

It is not an unprimeable number, because it can be changed into a prime (1222040003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46383 + ... + 67789.

It is an arithmetic number, because the mean of its divisors is an integer number (64159776).

Almost surely, 2^1222040002 is an apocalyptic number.

1222040002 is the 28543-rd pentagonal number.

1222040002 is a deficient number, since it is larger than the sum of its proper divisors (831072830).

1222040002 is a wasteful number, since it uses less digits than its factorization.

1222040002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21522.

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

The square root of 1222040002 is about 34957.6887393889. The cubic root of 1222040002 is about 1069.1249730289.

Adding to 1222040002 its reverse (2000402221), we get a palindrome (3222442223).

The spelling of 1222040002 in words is "one billion, two hundred twenty-two million, forty thousand, two".