22946340 has 96 divisors (see below), whose sum is σ = 67092480. Its totient is φ = 5855616.

The previous prime is 22946323. The next prime is 22946359. The reversal of 22946340 is 4364922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22946298 and 22946307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222729 + ... + 222831.

It is an arithmetic number, because the mean of its divisors is an integer number (698880).

Almost surely, 2^22946340 is an apocalyptic number.

22946340 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 22946340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33546240).

22946340 is an abundant number, since it is smaller than the sum of its proper divisors (44146140).

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

22946340 is a wasteful number, since it uses less digits than its factorization.

22946340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 22946340 is about 4790.2338147527. The cubic root of 22946340 is about 284.1653635912.

It can be divided in two parts, 229463 and 40, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 22946340 in words is "twenty-two million, nine hundred forty-six thousand, three hundred forty".