15222251029 has 2 divisors, whose sum is σ = 15222251030. Its totient is φ = 15222251028.

The previous prime is 15222251021. The next prime is 15222251087. The reversal of 15222251029 is 92015222251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13502904804 + 1719346225 = 116202^2 + 41465^2 .

It is a cyclic number.

It is not a de Polignac number, because 15222251029 - 2³ = 15222251021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15222251021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7611125514 + 7611125515.

It is an arithmetic number, because the mean of its divisors is an integer number (7611125515).

Almost surely, 2^15222251029 is an apocalyptic number.

It is an amenable number.

15222251029 is a deficient number, since it is larger than the sum of its proper divisors (1).

15222251029 is an equidigital number, since it uses as much as digits as its factorization.

15222251029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 15222251029 in words is "fifteen billion, two hundred twenty-two million, two hundred fifty-one thousand, twenty-nine".