4022261520 has 40 divisors (see below), whose sum is σ = 12469011456. Its totient is φ = 1072603008.

The previous prime is 4022261519. The next prime is 4022261533. The reversal of 4022261520 is 251622204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 8379472 + ... + 8379951.

Almost surely, 2^4022261520 is an apocalyptic number.

4022261520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4022261520 is an abundant number, since it is smaller than the sum of its proper divisors (8446749936).

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

4022261520 is a wasteful number, since it uses less digits than its factorization.

4022261520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16759439 (or 16759433 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4022261520 is about 63421.3017841797. The cubic root of 4022261520 is about 1590.3404357863.

Adding to 4022261520 its reverse (251622204), we get a palindrome (4273883724).

The spelling of 4022261520 in words is "four billion, twenty-two million, two hundred sixty-one thousand, five hundred twenty".