2259781472158 has 16 divisors (see below), whose sum is σ = 3931730665344. Its totient is φ = 954022881240.

The previous prime is 2259781472141. The next prime is 2259781472159. The reversal of 2259781472158 is 8512741879522.

It is a super-2 number, since 2×2259781472158² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2259781472096 and 2259781472105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259781472159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204573408 + ... + 1204575283.

It is an arithmetic number, because the mean of its divisors is an integer number (245733166584).

Almost surely, 2^{2259781472158} is an apocalyptic number.

2259781472158 is a deficient number, since it is larger than the sum of its proper divisors (1671949193186).

2259781472158 is a wasteful number, since it uses less digits than its factorization.

2259781472158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409148767.

The product of its digits is 22579200, while the sum is 61.

The spelling of 2259781472158 in words is "two trillion, two hundred fifty-nine billion, seven hundred eighty-one million, four hundred seventy-two thousand, one hundred fifty-eight".