22105458 has 24 divisors (see below), whose sum is σ = 47984508. Its totient is φ = 7354752.

The previous prime is 22105441. The next prime is 22105459. The reversal of 22105458 is 85450122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18173169 + 3932289 = 4263^2 + 1983^2 .

It is not an unprimeable number, because it can be changed into a prime (22105459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14710 + ... + 16142.

Almost surely, 2^22105458 is an apocalyptic number.

22105458 is an abundant number, since it is smaller than the sum of its proper divisors (25879050).

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

22105458 is a wasteful number, since it uses less digits than its factorization.

22105458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298 (or 2295 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 22105458 is about 4701.6441804969. The cubic root of 22105458 is about 280.6509430003.

The spelling of 22105458 in words is "twenty-two million, one hundred five thousand, four hundred fifty-eight".