22035722 has 4 divisors (see below), whose sum is σ = 33053586. Its totient is φ = 11017860.

The previous prime is 22035703. The next prime is 22035731. The reversal of 22035722 is 22753022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22753022 = 2 ⋅11376511.

It can be written as a sum of positive squares in only one way, i.e., 21077281 + 958441 = 4591^2 + 979^2 .

It is a super-2 number, since 2×22035722² = 971146088122568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5508929 + ... + 5508932.

Almost surely, 2^22035722 is an apocalyptic number.

22035722 is a deficient number, since it is larger than the sum of its proper divisors (11017864).

22035722 is a wasteful number, since it uses less digits than its factorization.

22035722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017863.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22035722 is about 4694.2221932925. Note that the first 3 decimals coincide. The cubic root of 22035722 is about 280.3555093116.

Adding to 22035722 its reverse (22753022), we get a palindrome (44788744).

The spelling of 22035722 in words is "twenty-two million, thirty-five thousand, seven hundred twenty-two".