22234779 has 36 divisors (see below), whose sum is σ = 37749504. Its totient is φ = 12573792.

The previous prime is 22234763. The next prime is 22234783. The reversal of 22234779 is 97743222.

It is not a de Polignac number, because 22234779 - 2⁴ = 22234763 is a prime.

It is a super-3 number, since 3×22234779³ (a number of 23 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22234739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55809 + ... + 56205.

Almost surely, 2^22234779 is an apocalyptic number.

22234779 is a deficient number, since it is larger than the sum of its proper divisors (15514725).

22234779 is a wasteful number, since it uses less digits than its factorization.

22234779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 534 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 22234779 is about 4715.3768672292. The cubic root of 22234779 is about 281.1971657792.

The spelling of 22234779 in words is "twenty-two million, two hundred thirty-four thousand, seven hundred seventy-nine".