2232121651 has 2 divisors, whose sum is σ = 2232121652. Its totient is φ = 2232121650.

The previous prime is 2232121583. The next prime is 2232121673. The reversal of 2232121651 is 1561212322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2232121651 - 2⁷ = 2232121523 is a prime.

It is a super-3 number, since 3×2232121651³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2232121751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116060825 + 1116060826.

It is an arithmetic number, because the mean of its divisors is an integer number (1116060826).

Almost surely, 2^2232121651 is an apocalyptic number.

2232121651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232121651 is an equidigital number, since it uses as much as digits as its factorization.

2232121651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 2232121651 is about 47245.3347008993. The cubic root of 2232121651 is about 1306.8907577698.

Adding to 2232121651 its reverse (1561212322), we get a palindrome (3793333973).

The spelling of 2232121651 in words is "two billion, two hundred thirty-two million, one hundred twenty-one thousand, six hundred fifty-one".