2220012542 has 16 divisors (see below), whose sum is σ = 3633498864. Its totient is φ = 1008888000.

The previous prime is 2220012533. The next prime is 2220012551. The reversal of 2220012542 is 2452100222.

It is an interprime number because it is at equal distance from previous prime (2220012533) and next prime (2220012551).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161042 + ... + 174282.

It is an arithmetic number, because the mean of its divisors is an integer number (227093679).

Almost surely, 2^2220012542 is an apocalyptic number.

2220012542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2220012542 is a deficient number, since it is larger than the sum of its proper divisors (1413486322).

2220012542 is a wasteful number, since it uses less digits than its factorization.

2220012542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20875.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2220012542 is about 47117.0090519337. The cubic root of 2220012542 is about 1304.5232066674.

Adding to 2220012542 its reverse (2452100222), we get a palindrome (4672112764).

The spelling of 2220012542 in words is "two billion, two hundred twenty million, twelve thousand, five hundred forty-two".