22769460 has 144 divisors (see below), whose sum is σ = 83655936. Its totient is φ = 4893696.

The previous prime is 22769447. The next prime is 22769491. The reversal of 22769460 is 6496722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20889 + ... + 21951.

It is an arithmetic number, because the mean of its divisors is an integer number (580944).

Almost surely, 2^22769460 is an apocalyptic number.

22769460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22769460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41827968).

22769460 is an abundant number, since it is smaller than the sum of its proper divisors (60886476).

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

22769460 is a wasteful number, since it uses less digits than its factorization.

22769460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 22769460 is about 4771.7355333254. The cubic root of 22769460 is about 283.4333241853.

The spelling of 22769460 in words is "twenty-two million, seven hundred sixty-nine thousand, four hundred sixty".