22146434 has 4 divisors (see below), whose sum is σ = 33219654. Its totient is φ = 11073216.

The previous prime is 22146433. The next prime is 22146451. The reversal of 22146434 is 43464122.

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., 22137025 + 9409 = 4705^2 + 97^2 .

It is not an unprimeable number, because it can be changed into a prime (22146433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536607 + ... + 5536610.

Almost surely, 2^22146434 is an apocalyptic number.

22146434 is a deficient number, since it is larger than the sum of its proper divisors (11073220).

22146434 is a wasteful number, since it uses less digits than its factorization.

22146434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11073219.

The product of its digits is 4608, while the sum is 26.

The square root of 22146434 is about 4705.9997875053. Note that the first 3 decimals coincide. The cubic root of 22146434 is about 280.8242464243.

The spelling of 22146434 in words is "twenty-two million, one hundred forty-six thousand, four hundred thirty-four".