1240222002 has 16 divisors (see below), whose sum is σ = 2484041952. Its totient is φ = 412807680.

The previous prime is 1240222001. The next prime is 1240222013. The reversal of 1240222002 is 2002220421.

It is a super-2 number, since 2×1240222002² = 3076301228489776008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240222001) 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, 145423 + ... + 153714.

It is an arithmetic number, because the mean of its divisors is an integer number (155252622).

Almost surely, 2^1240222002 is an apocalyptic number.

1240222002 is an abundant number, since it is smaller than the sum of its proper divisors (1243819950).

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

1240222002 is a wasteful number, since it uses less digits than its factorization.

1240222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299833.

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

The square root of 1240222002 is about 35216.7857988204. The cubic root of 1240222002 is about 1074.4011814047.

Adding to 1240222002 its reverse (2002220421), we get a palindrome (3242442423).

The spelling of 1240222002 in words is "one billion, two hundred forty million, two hundred twenty-two thousand, two".