22054493 has 8 divisors (see below), whose sum is σ = 23068608. Its totient is φ = 21045024.

The previous prime is 22054481. The next prime is 22054531. The reversal of 22054493 is 39445022.

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 22054493 - 2⁶ = 22054429 is a prime.

It is a super-2 number, since 2×22054493² = 972801322974098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22054453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11705 + ... + 13457.

It is an arithmetic number, because the mean of its divisors is an integer number (2883576).

Almost surely, 2^22054493 is an apocalyptic number.

22054493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22054493 is a deficient number, since it is larger than the sum of its proper divisors (1014115).

22054493 is a wasteful number, since it uses less digits than its factorization.

22054493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22054493 is about 4696.2211404490. The cubic root of 22054493 is about 280.4350931147.

The spelling of 22054493 in words is "twenty-two million, fifty-four thousand, four hundred ninety-three".