22770194 has 4 divisors (see below), whose sum is σ = 34155294. Its totient is φ = 11385096.

The previous prime is 22770193. The next prime is 22770199. The reversal of 22770194 is 49107722.

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

It can be written as a sum of positive squares in only one way, i.e., 17952169 + 4818025 = 4237^2 + 2195^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22770194.

It is not an unprimeable number, because it can be changed into a prime (22770193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692547 + ... + 5692550.

Almost surely, 2^22770194 is an apocalyptic number.

22770194 is a deficient number, since it is larger than the sum of its proper divisors (11385100).

22770194 is a wasteful number, since it uses less digits than its factorization.

22770194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11385099.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 22770194 is about 4771.8124439253. The cubic root of 22770194 is about 283.4363697534.

The spelling of 22770194 in words is "twenty-two million, seven hundred seventy thousand, one hundred ninety-four".