15202210073 has 2 divisors, whose sum is σ = 15202210074. Its totient is φ = 15202210072.

The previous prime is 15202210057. The next prime is 15202210123. The reversal of 15202210073 is 37001220251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15169124569 + 33085504 = 123163^2 + 5752^2 .

It is a cyclic number.

It is not a de Polignac number, because 15202210073 - 2⁴ = 15202210057 is a prime.

It is a super-2 number, since 2×15202210073² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15202210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7601105036 + 7601105037.

It is an arithmetic number, because the mean of its divisors is an integer number (7601105037).

Almost surely, 2^15202210073 is an apocalyptic number.

It is an amenable number.

15202210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

15202210073 is an equidigital number, since it uses as much as digits as its factorization.

15202210073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The spelling of 15202210073 in words is "fifteen billion, two hundred two million, two hundred ten thousand, seventy-three".