22046331 has 8 divisors (see below), whose sum is σ = 31124304. Its totient is φ = 13832960.

The previous prime is 22046329. The next prime is 22046341. The reversal of 22046331 is 13364022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22046331 - 2¹ = 22046329 is a prime.

It is a super-2 number, since 2×22046331² = 972081421123122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22046298 and 22046307.

It is not an unprimeable number, because it can be changed into a prime (22046341) 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 7 ways as a sum of consecutive naturals, for example, 216090 + ... + 216191.

It is an arithmetic number, because the mean of its divisors is an integer number (3890538).

Almost surely, 2^22046331 is an apocalyptic number.

22046331 is a deficient number, since it is larger than the sum of its proper divisors (9077973).

22046331 is a wasteful number, since it uses less digits than its factorization.

22046331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432301.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22046331 is about 4695.3520634772. The cubic root of 22046331 is about 280.4004940627.

The spelling of 22046331 in words is "twenty-two million, forty-six thousand, three hundred thirty-one".