2222122001461 has 4 divisors (see below), whose sum is σ = 2222273047372. Its totient is φ = 2221970955552.

The previous prime is 2222122001459. The next prime is 2222122001483. The reversal of 2222122001461 is 1641002212222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 754161980625 + 1467960020836 = 868425^2 + 1211594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222122001461 - 2¹ = 2222122001459 is a prime.

It is a super-2 number, since 2×2222122001461² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222122001401) 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 3 ways as a sum of consecutive naturals, for example, 75500886 + ... + 75530311.

It is an arithmetic number, because the mean of its divisors is an integer number (555568261843).

Almost surely, 2^{2222122001461} is an apocalyptic number.

It is an amenable number.

2222122001461 is a deficient number, since it is larger than the sum of its proper divisors (151045911).

2222122001461 is a wasteful number, since it uses less digits than its factorization.

2222122001461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151045910.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2222122001461 its reverse (1641002212222), we get a palindrome (3863124213683).

The spelling of 2222122001461 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one thousand, four hundred sixty-one".