22701145 has 16 divisors (see below), whose sum is σ = 28320768. Its totient is φ = 17449920.

The previous prime is 22701139. The next prime is 22701169. The reversal of 22701145 is 54110722.

It is a happy number.

It is not a de Polignac number, because 22701145 - 2¹⁵ = 22668377 is a prime.

It is a super-2 number, since 2×22701145² = 1030683968622050, which contains 22 as substring.

It is a Duffinian number.

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, 25447 + ... + 26323.

It is an arithmetic number, because the mean of its divisors is an integer number (1770048).

Almost surely, 2^22701145 is an apocalyptic number.

It is an amenable number.

22701145 is a deficient number, since it is larger than the sum of its proper divisors (5619623).

22701145 is a wasteful number, since it uses less digits than its factorization.

22701145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 22701145 is about 4764.5718590446. The cubic root of 22701145 is about 283.1495794309.

Adding to 22701145 its reverse (54110722), we get a palindrome (76811867).

The spelling of 22701145 in words is "twenty-two million, seven hundred one thousand, one hundred forty-five".