22040462 has 8 divisors (see below), whose sum is σ = 33764256. Its totient is φ = 10785712.

The previous prime is 22040461. The next prime is 22040471. The reversal of 22040462 is 26404022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117143 + ... + 117330.

It is an arithmetic number, because the mean of its divisors is an integer number (4220532).

Almost surely, 2^22040462 is an apocalyptic number.

22040462 is a deficient number, since it is larger than the sum of its proper divisors (11723794).

22040462 is a wasteful number, since it uses less digits than its factorization.

22040462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234522.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22040462 is about 4694.7270421186. The cubic root of 22040462 is about 280.3756098533.

Adding to 22040462 its reverse (26404022), we get a palindrome (48444484).

The spelling of 22040462 in words is "twenty-two million, forty thousand, four hundred sixty-two".