22002354 has 40 divisors (see below), whose sum is σ = 53787888. Its totient is φ = 6666840.

The previous prime is 22002353. The next prime is 22002359. The reversal of 22002354 is 45320022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22002353) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4392 + ... + 7955.

Almost surely, 2^22002354 is an apocalyptic number.

22002354 is an abundant number, since it is smaller than the sum of its proper divisors (31785534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002354 is a wasteful number, since it uses less digits than its factorization.

22002354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372 (or 12363 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22002354 is about 4690.6666903544. Note that the first 4 decimals coincide. The cubic root of 22002354 is about 280.2139266494.

Adding to 22002354 its reverse (45320022), we get a palindrome (67322376).

It can be divided in two parts, 2200 and 2354, that added together give a palindrome (4554).

The spelling of 22002354 in words is "twenty-two million, two thousand, three hundred fifty-four".