22102354 has 4 divisors (see below), whose sum is σ = 33153534. Its totient is φ = 11051176.

The previous prime is 22102331. The next prime is 22102369. The reversal of 22102354 is 45320122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45320122 = 2 ⋅22660061.

It can be written as a sum of positive squares in only one way, i.e., 15000129 + 7102225 = 3873^2 + 2665^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525587 + ... + 5525590.

Almost surely, 2^22102354 is an apocalyptic number.

22102354 is a deficient number, since it is larger than the sum of its proper divisors (11051180).

22102354 is a wasteful number, since it uses less digits than its factorization.

22102354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051179.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22102354 is about 4701.3140716187. The cubic root of 22102354 is about 280.6378062552.

Adding to 22102354 its reverse (45320122), we get a palindrome (67422476).

The spelling of 22102354 in words is "twenty-two million, one hundred two thousand, three hundred fifty-four".