2122431501 has 4 divisors (see below), whose sum is σ = 2829908672. Its totient is φ = 1414954332.

The previous prime is 2122431491. The next prime is 2122431503. The reversal of 2122431501 is 1051342212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2122431501 - 2⁵ = 2122431469 is a prime.

It is a super-2 number, since 2×2122431501² = 9009430952874226002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122431503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353738581 + ... + 353738586.

It is an arithmetic number, because the mean of its divisors is an integer number (707477168).

Almost surely, 2^2122431501 is an apocalyptic number.

It is an amenable number.

2122431501 is a deficient number, since it is larger than the sum of its proper divisors (707477171).

2122431501 is an equidigital number, since it uses as much as digits as its factorization.

2122431501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707477170.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2122431501 is about 46069.8545797575. The cubic root of 2122431501 is about 1285.1225994953.

Adding to 2122431501 its reverse (1051342212), we get a palindrome (3173773713).

It can be divided in two parts, 21224 and 31501, that added together give a palindrome (52725).

The spelling of 2122431501 in words is "two billion, one hundred twenty-two million, four hundred thirty-one thousand, five hundred one".