22047995 has 8 divisors (see below), whose sum is σ = 26692416. Its totient is φ = 17481856.

The previous prime is 22047983. The next prime is 22048001. The reversal of 22047995 is 59974022.

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

It is a cyclic number.

It is not a de Polignac number, because 22047995 - 2⁴ = 22047979 is a prime.

It is a super-2 number, since 2×22047995² = 972228167040050, which contains 22 as substring.

It is a Duffinian number.

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, 18947 + ... + 20076.

It is an arithmetic number, because the mean of its divisors is an integer number (3336552).

Almost surely, 2^22047995 is an apocalyptic number.

22047995 is a deficient number, since it is larger than the sum of its proper divisors (4644421).

22047995 is a wasteful number, since it uses less digits than its factorization.

22047995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39141.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 22047995 is about 4695.5292566440. The cubic root of 22047995 is about 280.4075485197.

The spelling of 22047995 in words is "twenty-two million, forty-seven thousand, nine hundred ninety-five".