2122412544 has 240 divisors, whose sum is σ = 7262743488. Its totient is φ = 606154752.

The previous prime is 2122412491. The next prime is 2122412569. The reversal of 2122412544 is 4452142212.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 869694 + ... + 872130.

Almost surely, 2^2122412544 is an apocalyptic number.

2122412544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122412544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3631371744).

2122412544 is an abundant number, since it is smaller than the sum of its proper divisors (5140330944).

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

2122412544 is an frugal number, since it uses more digits than its factorization.

2122412544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2449 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 2122412544 is about 46069.6488373853. The cubic root of 2122412544 is about 1285.1187733582.

Adding to 2122412544 its reverse (4452142212), we get a palindrome (6574554756).

The spelling of 2122412544 in words is "two billion, one hundred twenty-two million, four hundred twelve thousand, five hundred forty-four".