15222773 has 2 divisors, whose sum is σ = 15222774. Its totient is φ = 15222772.

The previous prime is 15222761. The next prime is 15222791. The reversal of 15222773 is 37722251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10804369 + 4418404 = 3287^2 + 2102^2 .

It is a cyclic number.

It is not a de Polignac number, because 15222773 - 2¹⁶ = 15157237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15222373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7611386 + 7611387.

It is an arithmetic number, because the mean of its divisors is an integer number (7611387).

Almost surely, 2^15222773 is an apocalyptic number.

It is an amenable number.

15222773 is a deficient number, since it is larger than the sum of its proper divisors (1).

15222773 is an equidigital number, since it uses as much as digits as its factorization.

15222773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 29.

The square root of 15222773 is about 3901.6372204499. The cubic root of 15222773 is about 247.8361137570.

The spelling of 15222773 in words is "fifteen million, two hundred twenty-two thousand, seven hundred seventy-three".