22054357 has 8 divisors (see below), whose sum is σ = 23823800. Its totient is φ = 20295360.

The previous prime is 22054343. The next prime is 22054379. The reversal of 22054357 is 75345022.

It can be written as a sum of positive squares in 4 ways, for example, as 6380676 + 15673681 = 2526^2 + 3959^2 .

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 22054357 - 2⁷ = 22054229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22054337) 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, 2107 + ... + 6967.

It is an arithmetic number, because the mean of its divisors is an integer number (2977975).

Almost surely, 2^22054357 is an apocalyptic number.

It is an amenable number.

22054357 is a deficient number, since it is larger than the sum of its proper divisors (1769443).

22054357 is a wasteful number, since it uses less digits than its factorization.

22054357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 22054357 is about 4696.2066606997. The cubic root of 22054357 is about 280.4345166751.

Adding to 22054357 its reverse (75345022), we get a palindrome (97399379).

The spelling of 22054357 in words is "twenty-two million, fifty-four thousand, three hundred fifty-seven".