22352505 has 16 divisors (see below), whose sum is σ = 40873344. Its totient is φ = 10218240.

The previous prime is 22352489. The next prime is 22352513. The reversal of 22352505 is 50525322.

It is not a de Polignac number, because 22352505 - 2⁴ = 22352489 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, 106336 + ... + 106545.

It is an arithmetic number, because the mean of its divisors is an integer number (2554584).

Almost surely, 2^22352505 is an apocalyptic number.

It is an amenable number.

22352505 is a deficient number, since it is larger than the sum of its proper divisors (18520839).

22352505 is a wasteful number, since it uses less digits than its factorization.

22352505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212896.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 22352505 is about 4727.8435887834. The cubic root of 22352505 is about 281.6925752965.

Adding to 22352505 its reverse (50525322), we get a palindrome (72877827).

The spelling of 22352505 in words is "twenty-two million, three hundred fifty-two thousand, five hundred five".