1422452261 has 2 divisors, whose sum is σ = 1422452262. Its totient is φ = 1422452260.

The previous prime is 1422452243. The next prime is 1422452327. The reversal of 1422452261 is 1622542241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792141025 + 630311236 = 28145^2 + 25106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422452261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422452221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711226130 + 711226131.

It is an arithmetic number, because the mean of its divisors is an integer number (711226131).

Almost surely, 2^1422452261 is an apocalyptic number.

It is an amenable number.

1422452261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422452261 is an equidigital number, since it uses as much as digits as its factorization.

1422452261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 29.

The square root of 1422452261 is about 37715.4114520841. The cubic root of 1422452261 is about 1124.6375157439.

The spelling of 1422452261 in words is "one billion, four hundred twenty-two million, four hundred fifty-two thousand, two hundred sixty-one".