22040315 has 16 divisors (see below), whose sum is σ = 29401056. Its totient is φ = 15724800.

The previous prime is 22040303. The next prime is 22040353. The reversal of 22040315 is 51304022.

It is not a de Polignac number, because 22040315 - 2⁴ = 22040299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22040293 and 22040302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866 + ... + 6695.

It is an arithmetic number, because the mean of its divisors is an integer number (1837566).

Almost surely, 2^22040315 is an apocalyptic number.

22040315 is a deficient number, since it is larger than the sum of its proper divisors (7360741).

22040315 is a wasteful number, since it uses less digits than its factorization.

22040315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22040315 is about 4694.7113862303. The cubic root of 22040315 is about 280.3749865253.

Adding to 22040315 its reverse (51304022), we get a palindrome (73344337).

The spelling of 22040315 in words is "twenty-two million, forty thousand, three hundred fifteen".