2021254224 has 40 divisors (see below), whose sum is σ = 5696263392. Its totient is φ = 612501120.

The previous prime is 2021254201. The next prime is 2021254247. The reversal of 2021254224 is 4224521202.

It is an interprime number because it is at equal distance from previous prime (2021254201) and next prime (2021254247).

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

It is a junction number, because it is equal to n+sod(n) for n = 2021254194 and 2021254203.

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, 1913539 + ... + 1914594.

Almost surely, 2^2021254224 is an apocalyptic number.

2021254224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2021254224 is an abundant number, since it is smaller than the sum of its proper divisors (3675009168).

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

2021254224 is a wasteful number, since it uses less digits than its factorization.

2021254224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828155 (or 3828149 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2021254224 is about 44958.3610021540. The cubic root of 2021254224 is about 1264.3684399689.

Adding to 2021254224 its reverse (4224521202), we get a palindrome (6245775426).

The spelling of 2021254224 in words is "two billion, twenty-one million, two hundred fifty-four thousand, two hundred twenty-four".