22014740 has 48 divisors (see below), whose sum is σ = 50912064. Its totient is φ = 7995680.

The previous prime is 22014739. The next prime is 22014763. The reversal of 22014740 is 4741022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26207 + ... + 27033.

It is an arithmetic number, because the mean of its divisors is an integer number (1060668).

Almost surely, 2^22014740 is an apocalyptic number.

22014740 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 22014740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25456032).

22014740 is an abundant number, since it is smaller than the sum of its proper divisors (28897324).

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

22014740 is a wasteful number, since it uses less digits than its factorization.

22014740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 22014740 is about 4691.9867860001. The cubic root of 22014740 is about 280.2664979732.

Adding to 22014740 its reverse (4741022), we get a palindrome (26755762).

The spelling of 22014740 in words is "twenty-two million, fourteen thousand, seven hundred forty".