22273634 has 4 divisors (see below), whose sum is σ = 33410454. Its totient is φ = 11136816.

The previous prime is 22273633. The next prime is 22273663. The reversal of 22273634 is 43637222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 10543009 = 3425^2 + 3247^2 .

It is a super-2 number, since 2×22273634² = 992229543131912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22273597 and 22273606.

It is not an unprimeable number, because it can be changed into a prime (22273633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568407 + ... + 5568410.

Almost surely, 2^22273634 is an apocalyptic number.

22273634 is a deficient number, since it is larger than the sum of its proper divisors (11136820).

22273634 is a wasteful number, since it uses less digits than its factorization.

22273634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11136819.

The product of its digits is 12096, while the sum is 29.

The square root of 22273634 is about 4719.4951001140. The cubic root of 22273634 is about 281.3608666454.

The spelling of 22273634 in words is "twenty-two million, two hundred seventy-three thousand, six hundred thirty-four".