2229722481 has 16 divisors (see below), whose sum is σ = 3398436864. Its totient is φ = 1273840464.

The previous prime is 2229722459. The next prime is 2229722497. The reversal of 2229722481 is 1842279222.

It is not a de Polignac number, because 2229722481 - 2⁷ = 2229722353 is a prime.

It is a super-2 number, since 2×2229722481² = 9943324684553590722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2229723481) 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, 114970 + ... + 132956.

It is an arithmetic number, because the mean of its divisors is an integer number (212402304).

Almost surely, 2^2229722481 is an apocalyptic number.

2229722481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2229722481 is a deficient number, since it is larger than the sum of its proper divisors (1168714383).

2229722481 is a wasteful number, since it uses less digits than its factorization.

2229722481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23900.

The product of its digits is 64512, while the sum is 39.

The square root of 2229722481 is about 47219.9373252443. The cubic root of 2229722481 is about 1306.4223578004.

The spelling of 2229722481 in words is "two billion, two hundred twenty-nine million, seven hundred twenty-two thousand, four hundred eighty-one".