2220012222157 has 2 divisors, whose sum is σ = 2220012222158. Its totient is φ = 2220012222156.

The previous prime is 2220012222137. The next prime is 2220012222223. The reversal of 2220012222157 is 7512222100222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2205287370441 + 14724851716 = 1485021^2 + 121346^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220012222157 - 2²⁷ = 2219878004429 is a prime.

It is a super-2 number, since 2×2220012222157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220012222137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110006111078 + 1110006111079.

It is an arithmetic number, because the mean of its divisors is an integer number (1110006111079).

Almost surely, 2^{2220012222157} is an apocalyptic number.

It is an amenable number.

2220012222157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220012222157 is an equidigital number, since it uses as much as digits as its factorization.

2220012222157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 2220012222157 its reverse (7512222100222), we get a palindrome (9732234322379).

The spelling of 2220012222157 in words is "two trillion, two hundred twenty billion, twelve million, two hundred twenty-two thousand, one hundred fifty-seven".