224011404 has 36 divisors (see below), whose sum is σ = 571758096. Its totient is φ = 73944288.

The previous prime is 224011393. The next prime is 224011481. The reversal of 224011404 is 404110422.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×224011404² = 100362218244102432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26499 + ... + 33914.

Almost surely, 2^224011404 is an apocalyptic number.

It is an amenable number.

224011404 is an abundant number, since it is smaller than the sum of its proper divisors (347746692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224011404 is a wasteful number, since it uses less digits than its factorization.

224011404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60526 (or 60521 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 224011404 is about 14967.0105231472. The cubic root of 224011404 is about 607.3281005278.

Adding to 224011404 its reverse (404110422), we get a palindrome (628121826).

The spelling of 224011404 in words is "two hundred twenty-four million, eleven thousand, four hundred four".