22700140 has 12 divisors (see below), whose sum is σ = 47670336. Its totient is φ = 9080048.

The previous prime is 22700131. The next prime is 22700141. The reversal of 22700140 is 4100722.

It is not an unprimeable number, because it can be changed into a prime (22700141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 567484 + ... + 567523.

It is an arithmetic number, because the mean of its divisors is an integer number (3972528).

Almost surely, 2^22700140 is an apocalyptic number.

22700140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22700140 is an abundant number, since it is smaller than the sum of its proper divisors (24970196).

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

22700140 is a wasteful number, since it uses less digits than its factorization.

22700140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135016 (or 1135014 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 22700140 is about 4764.4663919478. The cubic root of 22700140 is about 283.1454009408.

Adding to 22700140 its reverse (4100722), we get a palindrome (26800862).

The spelling of 22700140 in words is "twenty-two million, seven hundred thousand, one hundred forty".