2231400552 has 128 divisors (see below), whose sum is σ = 6035420160. Its totient is φ = 684968960.

The previous prime is 2231400547. The next prime is 2231400571. The reversal of 2231400552 is 2550041322.

It is a super-3 number, since 3×2231400552³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4435933 + ... + 4436435.

It is an arithmetic number, because the mean of its divisors is an integer number (47151720).

Almost surely, 2^2231400552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231400552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3017710080).

2231400552 is an abundant number, since it is smaller than the sum of its proper divisors (3804019608).

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

2231400552 is a wasteful number, since it uses less digits than its factorization.

2231400552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2231400552 is about 47237.7026537066. The cubic root of 2231400552 is about 1306.7500098976.

Adding to 2231400552 its reverse (2550041322), we get a palindrome (4781441874).

The spelling of 2231400552 in words is "two billion, two hundred thirty-one million, four hundred thousand, five hundred fifty-two".