1242224002 has 16 divisors (see below), whose sum is σ = 1925586432. Its totient is φ = 600406560.

The previous prime is 1242223987. The next prime is 1242224003. The reversal of 1242224002 is 2004222421.

It is a super-2 number, since 2×1242224002² = 3086240942289792008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242224003) 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, 47403 + ... + 68785.

It is an arithmetic number, because the mean of its divisors is an integer number (120349152).

Almost surely, 2^1242224002 is an apocalyptic number.

1242224002 is a deficient number, since it is larger than the sum of its proper divisors (683362430).

1242224002 is a wasteful number, since it uses less digits than its factorization.

1242224002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22353.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1242224002 is about 35245.1982828867. The cubic root of 1242224002 is about 1074.9789797945.

Adding to 1242224002 its reverse (2004222421), we get a palindrome (3246446423).

The spelling of 1242224002 in words is "one billion, two hundred forty-two million, two hundred twenty-four thousand, two".