22273442 has 8 divisors (see below), whose sum is σ = 33450732. Its totient is φ = 11123200.

The previous prime is 22273439. The next prime is 22273483. The reversal of 22273442 is 24437222.

It can be written as a sum of positive squares in 2 ways, for example, as 15928081 + 6345361 = 3991^2 + 2519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22273442² = 992212437054728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4559 + ... + 8082.

Almost surely, 2^22273442 is an apocalyptic number.

22273442 is a deficient number, since it is larger than the sum of its proper divisors (11177290).

22273442 is a wasteful number, since it uses less digits than its factorization.

22273442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13524.

The product of its digits is 5376, while the sum is 26.

The square root of 22273442 is about 4719.4747589112. The cubic root of 22273442 is about 281.3600581941.

The spelling of 22273442 in words is "twenty-two million, two hundred seventy-three thousand, four hundred forty-two".