55222067 has 4 divisors (see below), whose sum is σ = 57003456. Its totient is φ = 53440680.

The previous prime is 55222043. The next prime is 55222109. The reversal of 55222067 is 76022255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55222067 - 2¹⁶ = 55156531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55222567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890648 + ... + 890709.

It is an arithmetic number, because the mean of its divisors is an integer number (14250864).

Almost surely, 2^55222067 is an apocalyptic number.

55222067 is a deficient number, since it is larger than the sum of its proper divisors (1781389).

55222067 is a wasteful number, since it uses less digits than its factorization.

55222067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781388.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 55222067 is about 7431.1551591930. The cubic root of 55222067 is about 380.8063831632.

The spelling of 55222067 in words is "fifty-five million, two hundred twenty-two thousand, sixty-seven".