22768158 has 32 divisors (see below), whose sum is σ = 52634880. Its totient is φ = 6431040.

The previous prime is 22768157. The next prime is 22768177. The reversal of 22768158 is 85186722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22768153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (1644840).

Almost surely, 2^22768158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22768158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26317440).

22768158 is an abundant number, since it is smaller than the sum of its proper divisors (29866722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22768158 is a wasteful number, since it uses less digits than its factorization.

22768158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192.

The product of its digits is 53760, while the sum is 39.

The square root of 22768158 is about 4771.5991030262. The cubic root of 22768158 is about 283.4279216678.

It can be divided in two parts, 22 and 768158, that added together give a triangular number (768180 = T₁₂₃₉).

The spelling of 22768158 in words is "twenty-two million, seven hundred sixty-eight thousand, one hundred fifty-eight".