22000049 has 4 divisors (see below), whose sum is σ = 22709760. Its totient is φ = 21290340.

The previous prime is 22000037. The next prime is 22000061. The reversal of 22000049 is 94000022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94000022 = 2 ⋅47000011.

It is an interprime number because it is at equal distance from previous prime (22000037) and next prime (22000061).

It is a cyclic number.

It is not a de Polignac number, because 22000049 - 2²⁰ = 20951473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354809 + ... + 354870.

It is an arithmetic number, because the mean of its divisors is an integer number (5677440).

Almost surely, 2^22000049 is an apocalyptic number.

It is an amenable number.

22000049 is a deficient number, since it is larger than the sum of its proper divisors (709711).

22000049 is an equidigital number, since it uses as much as digits as its factorization.

22000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709710.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 22000049 is about 4690.4209832381. The cubic root of 22000049 is about 280.2041410956.

The spelling of 22000049 in words is "twenty-two million, forty-nine", and thus it is an aban number and an uban number.