22042302 has 32 divisors (see below), whose sum is σ = 48190464. Its totient is φ = 6691200.

The previous prime is 22042301. The next prime is 22042331. The reversal of 22042302 is 20324022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324 + ... + 6647.

It is an arithmetic number, because the mean of its divisors is an integer number (1505952).

Almost surely, 2^22042302 is an apocalyptic number.

22042302 is an abundant number, since it is smaller than the sum of its proper divisors (26148162).

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

22042302 is a wasteful number, since it uses less digits than its factorization.

22042302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22042302 is about 4694.9230025635. The cubic root of 22042302 is about 280.3834118187.

Adding to 22042302 its reverse (20324022), we get a palindrome (42366324).

The spelling of 22042302 in words is "twenty-two million, forty-two thousand, three hundred two".