22000055 has 16 divisors (see below), whose sum is σ = 32914944. Its totient is φ = 13714080.

The previous prime is 22000037. The next prime is 22000061. The reversal of 22000055 is 55000022.

It is not a de Polignac number, because 22000055 - 2¹⁴ = 21983671 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28187 + ... + 28956.

It is an arithmetic number, because the mean of its divisors is an integer number (2057184).

Almost surely, 2^22000055 is an apocalyptic number.

22000055 is a deficient number, since it is larger than the sum of its proper divisors (10914889).

22000055 is a wasteful number, since it uses less digits than its factorization.

22000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57166.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 22000055 is about 4690.4216228395. The cubic root of 22000055 is about 280.2041665686.

Adding to 22000055 its reverse (55000022), we get a palindrome (77000077).

The spelling of 22000055 in words is "twenty-two million, fifty-five", and thus it is an aban number and an uban number.