2215474369 has 2 divisors, whose sum is σ = 2215474370. Its totient is φ = 2215474368.

The previous prime is 2215474211. The next prime is 2215474381. The reversal of 2215474369 is 9634745122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1669784769 + 545689600 = 40863^2 + 23360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215474369 is a prime.

It is a super-2 number, since 2×2215474369² = 9816653359391896322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2215474399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107737184 + 1107737185.

It is an arithmetic number, because the mean of its divisors is an integer number (1107737185).

Almost surely, 2^2215474369 is an apocalyptic number.

It is an amenable number.

2215474369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215474369 is an equidigital number, since it uses as much as digits as its factorization.

2215474369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 2215474369 is about 47068.8258723330. The cubic root of 2215474369 is about 1303.6336935855.

The spelling of 2215474369 in words is "two billion, two hundred fifteen million, four hundred seventy-four thousand, three hundred sixty-nine".