22301345 has 16 divisors (see below), whose sum is σ = 30732480. Its totient is φ = 15364800.

The previous prime is 22301339. The next prime is 22301371. The reversal of 22301345 is 54310322.

It is a happy number.

It is not a de Polignac number, because 22301345 - 2¹⁰ = 22300321 is a prime.

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, 9626 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (1920780).

Almost surely, 2^22301345 is an apocalyptic number.

It is an amenable number.

22301345 is a deficient number, since it is larger than the sum of its proper divisors (8431135).

22301345 is a wasteful number, since it uses less digits than its factorization.

22301345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22301345 is about 4722.4299888934. The cubic root of 22301345 is about 281.4775002077.

Adding to 22301345 its reverse (54310322), we get a palindrome (76611667).

The spelling of 22301345 in words is "twenty-two million, three hundred one thousand, three hundred forty-five".