22283554 has 4 divisors (see below), whose sum is σ = 33425334. Its totient is φ = 11141776.

The previous prime is 22283543. The next prime is 22283557. The reversal of 22283554 is 45538222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12766329 + 9517225 = 3573^2 + 3085^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22283557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570887 + ... + 5570890.

Almost surely, 2^22283554 is an apocalyptic number.

22283554 is a deficient number, since it is larger than the sum of its proper divisors (11141780).

22283554 is a wasteful number, since it uses less digits than its factorization.

22283554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141779.

The product of its digits is 19200, while the sum is 31.

The square root of 22283554 is about 4720.5459430028. The cubic root of 22283554 is about 281.4026303070.

The spelling of 22283554 in words is "twenty-two million, two hundred eighty-three thousand, five hundred fifty-four".