2231245404 has 36 divisors (see below), whose sum is σ = 5771261496. Its totient is φ = 726451488.

The previous prime is 2231245399. The next prime is 2231245409. The reversal of 2231245404 is 4045421322.

2231245404 is a `hidden beast` number, since 2 + 231 + 24 + 5 + 404 = 666.

2231245404 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2231245399) and next prime (2231245409).

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

It is a super-3 number, since 3×2231245404³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231245409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 719139 + ... + 722234.

Almost surely, 2^2231245404 is an apocalyptic number.

It is an amenable number.

2231245404 is an abundant number, since it is smaller than the sum of its proper divisors (3540016092).

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

2231245404 is a wasteful number, since it uses less digits than its factorization.

2231245404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441426 (or 1441421 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2231245404 is about 47236.0604199800. The cubic root of 2231245404 is about 1306.7197233362.

Adding to 2231245404 its reverse (4045421322), we get a palindrome (6276666726).

The spelling of 2231245404 in words is "two billion, two hundred thirty-one million, two hundred forty-five thousand, four hundred four".