2231401549 has 16 divisors (see below), whose sum is σ = 2488147200. Its totient is φ = 1986941376.

The previous prime is 2231401541. The next prime is 2231401559. The reversal of 2231401549 is 9451041322.

It is a cyclic number.

It is not a de Polignac number, because 2231401549 - 2³ = 2231401541 is a prime.

It is a super-3 number, since 3×2231401549³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231401549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231401541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594922 + ... + 598660.

It is an arithmetic number, because the mean of its divisors is an integer number (155509200).

Almost surely, 2^2231401549 is an apocalyptic number.

2231401549 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2231401549 is a deficient number, since it is larger than the sum of its proper divisors (256745651).

2231401549 is a wasteful number, since it uses less digits than its factorization.

2231401549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2231401549 is about 47237.7132067165. The cubic root of 2231401549 is about 1306.7502045182.

The spelling of 2231401549 in words is "two billion, two hundred thirty-one million, four hundred one thousand, five hundred forty-nine".