22068774 has 96 divisors (see below), whose sum is σ = 61152000. Its totient is φ = 5808672.

The previous prime is 22068769. The next prime is 22068779. The reversal of 22068774 is 47786022.

It is an interprime number because it is at equal distance from previous prime (22068769) and next prime (22068779).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22068779) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43977 + ... + 44475.

It is an arithmetic number, because the mean of its divisors is an integer number (637000).

Almost surely, 2^22068774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22068774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30576000).

22068774 is an abundant number, since it is smaller than the sum of its proper divisors (39083226).

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

22068774 is a wasteful number, since it uses less digits than its factorization.

22068774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 22068774 is about 4697.7413721915. The cubic root of 22068774 is about 280.4956103291.

The spelling of 22068774 in words is "twenty-two million, sixty-eight thousand, seven hundred seventy-four".