2232021440 has 56 divisors (see below), whose sum is σ = 5798192112. Its totient is φ = 811642880.

The previous prime is 2232021437. The next prime is 2232021469. The reversal of 2232021440 is 441202322.

It is a super-3 number, since 3×2232021440³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313529 + ... + 320568.

Almost surely, 2^2232021440 is an apocalyptic number.

2232021440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2232021440 is an abundant number, since it is smaller than the sum of its proper divisors (3566170672).

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

2232021440 is a wasteful number, since it uses less digits than its factorization.

2232021440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634125 (or 634115 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2232021440 is about 47244.2741504195. The cubic root of 2232021440 is about 1306.8711998768.

Adding to 2232021440 its reverse (441202322), we get a palindrome (2673223762).

It can be divided in two parts, 2 and 232021440, that multiplied together give a triangular number (464042880 = T₃₀₄₆₄).

The spelling of 2232021440 in words is "two billion, two hundred thirty-two million, twenty-one thousand, four hundred forty".