22229698 has 4 divisors (see below), whose sum is σ = 33344550. Its totient is φ = 11114848.

The previous prime is 22229671. The next prime is 22229719. The reversal of 22229698 is 89692222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89692222 = 2 ⋅44846111.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 299209 = 4683^2 + 547^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22229698.

It is an unprimeable number.

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, 5557423 + ... + 5557426.

Almost surely, 2^22229698 is an apocalyptic number.

22229698 is a deficient number, since it is larger than the sum of its proper divisors (11114852).

22229698 is a wasteful number, since it uses less digits than its factorization.

22229698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114851.

The product of its digits is 62208, while the sum is 40.

The square root of 22229698 is about 4714.8380672087. The cubic root of 22229698 is about 281.1757448085.

It can be divided in two parts, 222 and 29698, that multiplied together give a palindrome (6592956).

The spelling of 22229698 in words is "twenty-two million, two hundred twenty-nine thousand, six hundred ninety-eight".