2445222461 has 32 divisors (see below), whose sum is σ = 2847312000. Its totient is φ = 2076641280.

The previous prime is 2445222361. The next prime is 2445222467. The reversal of 2445222461 is 1642225442.

It is a cyclic number.

It is not a de Polignac number, because 2445222461 - 2²⁶ = 2378113597 is a prime.

It is a super-2 number, since 2×2445222461² = 11958225767557793042, which 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 (2445222467) 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 31 ways as a sum of consecutive naturals, for example, 7255685 + ... + 7256021.

It is an arithmetic number, because the mean of its divisors is an integer number (88978500).

Almost surely, 2^2445222461 is an apocalyptic number.

It is an amenable number.

2445222461 is a deficient number, since it is larger than the sum of its proper divisors (402089539).

2445222461 is a wasteful number, since it uses less digits than its factorization.

2445222461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its digits is 30720, while the sum is 32.

The square root of 2445222461 is about 49449.1907011631. The cubic root of 2445222461 is about 1347.2229076980. Note that the first 3 decimals are identical.

The spelling of 2445222461 in words is "two billion, four hundred forty-five million, two hundred twenty-two thousand, four hundred sixty-one".