22054091 has 8 divisors (see below), whose sum is σ = 22581504. Its totient is φ = 21532840.

The previous prime is 22054069. The next prime is 22054093. The reversal of 22054091 is 19045022.

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 22054091 - 2⁶ = 22054027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22054093) 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, 6146 + ... + 9048.

It is an arithmetic number, because the mean of its divisors is an integer number (2822688).

Almost surely, 2^22054091 is an apocalyptic number.

22054091 is a deficient number, since it is larger than the sum of its proper divisors (527413).

22054091 is a wasteful number, since it uses less digits than its factorization.

22054091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 22054091 is about 4696.1783398845. The cubic root of 22054091 is about 280.4333892201.

The spelling of 22054091 in words is "twenty-two million, fifty-four thousand, ninety-one".