22340747 has 8 divisors (see below), whose sum is σ = 26246640. Its totient is φ = 18747360.

The previous prime is 22340723. The next prime is 22340761. The reversal of 22340747 is 74704322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22340747 - 2¹⁴ = 22324363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22340767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77972 + ... + 78257.

It is an arithmetic number, because the mean of its divisors is an integer number (3280830).

Almost surely, 2^22340747 is an apocalyptic number.

22340747 is a deficient number, since it is larger than the sum of its proper divisors (3905893).

22340747 is a wasteful number, since it uses less digits than its factorization.

22340747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156253.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 22340747 is about 4726.5999407608. The cubic root of 22340747 is about 281.6431740888.

The spelling of 22340747 in words is "twenty-two million, three hundred forty thousand, seven hundred forty-seven".