22040818 has 8 divisors (see below), whose sum is σ = 33123312. Its totient is φ = 10999716.

The previous prime is 22040803. The next prime is 22040833. The reversal of 22040818 is 81804022.

It is an interprime number because it is at equal distance from previous prime (22040803) and next prime (22040833).

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

It is a super-3 number, since 3×22040818³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22040792 and 22040801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8980 + ... + 11167.

It is an arithmetic number, because the mean of its divisors is an integer number (4140414).

Almost surely, 2^22040818 is an apocalyptic number.

22040818 is a deficient number, since it is larger than the sum of its proper divisors (11082494).

22040818 is a wasteful number, since it uses less digits than its factorization.

22040818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20696.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 22040818 is about 4694.7649568429. The cubic root of 22040818 is about 280.3771193978.

The spelling of 22040818 in words is "twenty-two million, forty thousand, eight hundred eighteen".