2651224122 has 80 divisors (see below), whose sum is σ = 6366868992. Its totient is φ = 822428640.

The previous prime is 2651224117. The next prime is 2651224127. The reversal of 2651224122 is 2214221562.

2651224122 is a `hidden beast` number, since 2 + 6 + 512 + 24 + 122 = 666.

It is an interprime number because it is at equal distance from previous prime (2651224117) and next prime (2651224127).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2651224127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 128247 + ... + 147477.

Almost surely, 2^2651224122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651224122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3183434496).

2651224122 is an abundant number, since it is smaller than the sum of its proper divisors (3715644870).

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

2651224122 is a wasteful number, since it uses less digits than its factorization.

2651224122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19305 (or 19296 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2651224122 is about 51490.0390561126. The cubic root of 2651224122 is about 1384.0405492953.

Adding to 2651224122 its reverse (2214221562), we get a palindrome (4865445684).

The spelling of 2651224122 in words is "two billion, six hundred fifty-one million, two hundred twenty-four thousand, one hundred twenty-two".