22814740 has 48 divisors (see below), whose sum is σ = 52722432. Its totient is φ = 8240256.

The previous prime is 22814713. The next prime is 22814749. The reversal of 22814740 is 4741822.

It is a super-2 number, since 2×22814740² = 1041024722535200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22814699 and 22814708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22814749) 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, 11287 + ... + 13153.

It is an arithmetic number, because the mean of its divisors is an integer number (1098384).

Almost surely, 2^22814740 is an apocalyptic number.

22814740 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 22814740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26361216).

22814740 is an abundant number, since it is smaller than the sum of its proper divisors (29907692).

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

22814740 is a wasteful number, since it uses less digits than its factorization.

22814740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 22814740 is about 4776.4777817970. The cubic root of 22814740 is about 283.6210809883.

It can be divided in two parts, 2281 and 4740, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 22814740 in words is "twenty-two million, eight hundred fourteen thousand, seven hundred forty".