22155514 has 8 divisors (see below), whose sum is σ = 34305408. Its totient is φ = 10720380.

The previous prime is 22155491. The next prime is 22155547. The reversal of 22155514 is 41555122.

22155514 = T₁₄₂ + T₁₄₃ + ... + T₅₁₃.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 178612 + ... + 178735.

It is an arithmetic number, because the mean of its divisors is an integer number (4288176).

Almost surely, 2^22155514 is an apocalyptic number.

22155514 is a deficient number, since it is larger than the sum of its proper divisors (12149894).

22155514 is a wasteful number, since it uses less digits than its factorization.

22155514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357380.

The product of its digits is 2000, while the sum is 25.

The square root of 22155514 is about 4706.9644145670. The cubic root of 22155514 is about 280.8626203337.

The spelling of 22155514 in words is "twenty-two million, one hundred fifty-five thousand, five hundred fourteen".