22021054 has 16 divisors (see below), whose sum is σ = 36224496. Its totient is φ = 9956800.

The previous prime is 22021049. The next prime is 22021093. The reversal of 22021054 is 45012022.

It is a congruent number.

It is an unprimeable number.

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, 1794 + ... + 6874.

It is an arithmetic number, because the mean of its divisors is an integer number (2264031).

Almost surely, 2^22021054 is an apocalyptic number.

22021054 is a deficient number, since it is larger than the sum of its proper divisors (14203442).

22021054 is a wasteful number, since it uses less digits than its factorization.

22021054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22021054 is about 4692.6595870572. The cubic root of 22021054 is about 280.2932896215.

Adding to 22021054 its reverse (45012022), we get a palindrome (67033076).

The spelling of 22021054 in words is "twenty-two million, twenty-one thousand, fifty-four".