22819094 has 4 divisors (see below), whose sum is σ = 34228644. Its totient is φ = 11409546.

The previous prime is 22819091. The next prime is 22819103. The reversal of 22819094 is 49091822.

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

It is a super-2 number, since 2×22819094² = 1041422101961672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22819091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704772 + ... + 5704775.

It is an arithmetic number, because the mean of its divisors is an integer number (8557161).

Almost surely, 2^22819094 is an apocalyptic number.

22819094 is a deficient number, since it is larger than the sum of its proper divisors (11409550).

22819094 is a wasteful number, since it uses less digits than its factorization.

22819094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409549.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 22819094 is about 4776.9335352295. The cubic root of 22819094 is about 283.6391220681.

The spelling of 22819094 in words is "twenty-two million, eight hundred nineteen thousand, ninety-four".