22041555 has 8 divisors (see below), whose sum is σ = 35266512. Its totient is φ = 11755488.

The previous prime is 22041541. The next prime is 22041583. The reversal of 22041555 is 55514022.

It is a happy number.

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

It is not a de Polignac number, because 22041555 - 2⁷ = 22041427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734704 + ... + 734733.

It is an arithmetic number, because the mean of its divisors is an integer number (4408314).

Almost surely, 2^22041555 is an apocalyptic number.

22041555 is a deficient number, since it is larger than the sum of its proper divisors (13224957).

22041555 is a wasteful number, since it uses less digits than its factorization.

22041555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469445.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 22041555 is about 4694.8434478692. The cubic root of 22041555 is about 280.3802444427.

Adding to 22041555 its reverse (55514022), we get a palindrome (77555577).

The spelling of 22041555 in words is "twenty-two million, forty-one thousand, five hundred fifty-five".