220044494 has 4 divisors (see below), whose sum is σ = 330066744. Its totient is φ = 110022246.

The previous prime is 220044437. The next prime is 220044509. The reversal of 220044494 is 494440022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494440022 = 2 ⋅247220011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55011122 + ... + 55011125.

It is an arithmetic number, because the mean of its divisors is an integer number (82516686).

Almost surely, 2^220044494 is an apocalyptic number.

220044494 is a deficient number, since it is larger than the sum of its proper divisors (110022250).

220044494 is a wasteful number, since it uses less digits than its factorization.

220044494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110022249.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 220044494 is about 14833.8967907964. The cubic root of 220044494 is about 603.7217681875.

The spelling of 220044494 in words is "two hundred twenty million, forty-four thousand, four hundred ninety-four".