7221046253 has 2 divisors, whose sum is σ = 7221046254. Its totient is φ = 7221046252.

The previous prime is 7221046219. The next prime is 7221046277. The reversal of 7221046253 is 3526401227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4601858569 + 2619187684 = 67837^2 + 51178^2 .

It is a cyclic number.

It is not a de Polignac number, because 7221046253 - 2¹⁴ = 7221029869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7221048253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610523126 + 3610523127.

It is an arithmetic number, because the mean of its divisors is an integer number (3610523127).

Almost surely, 2^7221046253 is an apocalyptic number.

It is an amenable number.

7221046253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7221046253 is an equidigital number, since it uses as much as digits as its factorization.

7221046253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 7221046253 is about 84976.7394820489. The cubic root of 7221046253 is about 1932.8584142987.

The spelling of 7221046253 in words is "seven billion, two hundred twenty-one million, forty-six thousand, two hundred fifty-three".