22190149 has 8 divisors (see below), whose sum is σ = 22489920. Its totient is φ = 21892416.

The previous prime is 22190131. The next prime is 22190167. The reversal of 22190149 is 94109122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22190131) and next prime (22190167).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22190149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22190449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40294 + ... + 40840.

It is an arithmetic number, because the mean of its divisors is an integer number (2811240).

Almost surely, 2^22190149 is an apocalyptic number.

It is an amenable number.

22190149 is a deficient number, since it is larger than the sum of its proper divisors (299771).

22190149 is a wasteful number, since it uses less digits than its factorization.

22190149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019.

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

The square root of 22190149 is about 4710.6421006058. The cubic root of 22190149 is about 281.0088986261.

It can be divided in two parts, 22 and 190149, that multiplied together give a triangular number (4183278 = T₂₈₉₂).

The spelling of 22190149 in words is "twenty-two million, one hundred ninety thousand, one hundred forty-nine".