22013465 has 8 divisors (see below), whose sum is σ = 27327240. Its totient is φ = 17003392.

The previous prime is 22013423. The next prime is 22013477. The reversal of 22013465 is 56431022.

It can be written as a sum of positive squares in 4 ways, for example, as 2758921 + 19254544 = 1661^2 + 4388^2 .

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 22013465 - 2⁸ = 22013209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22013465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75764 + ... + 76053.

It is an arithmetic number, because the mean of its divisors is an integer number (3415905).

Almost surely, 2^22013465 is an apocalyptic number.

It is an amenable number.

22013465 is a deficient number, since it is larger than the sum of its proper divisors (5313775).

22013465 is a wasteful number, since it uses less digits than its factorization.

22013465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151851.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22013465 is about 4691.8509140850. The cubic root of 22013465 is about 280.2610872547.

Adding to 22013465 its reverse (56431022), we get a palindrome (78444487).

It can be divided in two parts, 2201 and 3465, that multiplied together give a triangular number (7626465 = T₃₉₀₅).

The spelling of 22013465 in words is "twenty-two million, thirteen thousand, four hundred sixty-five".