2122252401 has 16 divisors (see below), whose sum is σ = 2973738944. Its totient is φ = 1344579264.

The previous prime is 2122252399. The next prime is 2122252441. The reversal of 2122252401 is 1042522212.

It is not a de Polignac number, because 2122252401 - 2¹ = 2122252399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122252441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 217546 + ... + 227091.

It is an arithmetic number, because the mean of its divisors is an integer number (185858684).

Almost surely, 2^2122252401 is an apocalyptic number.

It is an amenable number.

2122252401 is a deficient number, since it is larger than the sum of its proper divisors (851486543).

2122252401 is a wasteful number, since it uses less digits than its factorization.

2122252401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444720.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2122252401 is about 46067.9107514113. The cubic root of 2122252401 is about 1285.0864504006.

Adding to 2122252401 its reverse (1042522212), we get a palindrome (3164774613).

The spelling of 2122252401 in words is "two billion, one hundred twenty-two million, two hundred fifty-two thousand, four hundred one".