22191094 has 8 divisors (see below), whose sum is σ = 33394608. Its totient is φ = 11059560.

The previous prime is 22191079. The next prime is 22191101. The reversal of 22191094 is 49019122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17217 + ... + 18460.

It is an arithmetic number, because the mean of its divisors is an integer number (4174326).

Almost surely, 2^22191094 is an apocalyptic number.

22191094 is a deficient number, since it is larger than the sum of its proper divisors (11203514).

22191094 is a wasteful number, since it uses less digits than its factorization.

22191094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35990.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 22191094 is about 4710.7424043350. The cubic root of 22191094 is about 281.0128876280.

The spelling of 22191094 in words is "twenty-two million, one hundred ninety-one thousand, ninety-four".