22420132 has 24 divisors (see below), whose sum is σ = 46388160. Its totient is φ = 9276960.

The previous prime is 22420129. The next prime is 22420141. The reversal of 22420132 is 23102422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12994 + ... + 14617.

It is an arithmetic number, because the mean of its divisors is an integer number (1932840).

Almost surely, 2^22420132 is an apocalyptic number.

It is an amenable number.

22420132 is an abundant number, since it is smaller than the sum of its proper divisors (23968028).

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

22420132 is a wasteful number, since it uses less digits than its factorization.

22420132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27651 (or 27649 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22420132 is about 4734.9901795041. The cubic root of 22420132 is about 281.9763741252.

Adding to 22420132 its reverse (23102422), we get a palindrome (45522554).

The spelling of 22420132 in words is "twenty-two million, four hundred twenty thousand, one hundred thirty-two".