244420454 has 4 divisors (see below), whose sum is σ = 366630684. Its totient is φ = 122210226.

The previous prime is 244420417. The next prime is 244420459. The reversal of 244420454 is 454024442.

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

It is a super-2 number, since 2×244420454² = 119482716667132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244420459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105112 + ... + 61105115.

It is an arithmetic number, because the mean of its divisors is an integer number (91657671).

Almost surely, 2^244420454 is an apocalyptic number.

244420454 is a deficient number, since it is larger than the sum of its proper divisors (122210230).

244420454 is a wasteful number, since it uses less digits than its factorization.

244420454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122210229.

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 244420454 is about 15633.9519635951. The cubic root of 244420454 is about 625.2386962403.

Adding to 244420454 its reverse (454024442), we get a palindrome (698444896).

The spelling of 244420454 in words is "two hundred forty-four million, four hundred twenty thousand, four hundred fifty-four".