22354154 has 4 divisors (see below), whose sum is σ = 33531234. Its totient is φ = 11177076.

The previous prime is 22354151. The next prime is 22354207. The reversal of 22354154 is 45145322.

It is a happy number.

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., 14100025 + 8254129 = 3755^2 + 2873^2 .

It is not an unprimeable number, because it can be changed into a prime (22354151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5588537 + ... + 5588540.

Almost surely, 2^22354154 is an apocalyptic number.

22354154 is a deficient number, since it is larger than the sum of its proper divisors (11177080).

22354154 is a wasteful number, since it uses less digits than its factorization.

22354154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177079.

The product of its digits is 4800, while the sum is 26.

The square root of 22354154 is about 4728.0179779692. The cubic root of 22354154 is about 281.6995021806.

Adding to 22354154 its reverse (45145322), we get a palindrome (67499476).

The spelling of 22354154 in words is "twenty-two million, three hundred fifty-four thousand, one hundred fifty-four".