22146494 has 8 divisors (see below), whose sum is σ = 33926688. Its totient is φ = 10837600.

The previous prime is 22146491. The next prime is 22146497. The reversal of 22146494 is 49464122.

It is an interprime number because it is at equal distance from previous prime (22146491) and next prime (22146497).

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

It is a self number, because there is not a number n which added to its sum of digits gives 22146494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146491) 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, 117707 + ... + 117894.

It is an arithmetic number, because the mean of its divisors is an integer number (4240836).

Almost surely, 2^22146494 is an apocalyptic number.

22146494 is a deficient number, since it is larger than the sum of its proper divisors (11780194).

22146494 is a wasteful number, since it uses less digits than its factorization.

22146494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235650.

The product of its digits is 13824, while the sum is 32.

The square root of 22146494 is about 4706.0061623419. The cubic root of 22146494 is about 280.8245000308.

The spelling of 22146494 in words is "twenty-two million, one hundred forty-six thousand, four hundred ninety-four".