1622414749 has 2 divisors, whose sum is σ = 1622414750. Its totient is φ = 1622414748.

The previous prime is 1622414701. The next prime is 1622414753. The reversal of 1622414749 is 9474142261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850130649 + 772284100 = 29157^2 + 27790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622414749 - 2¹³ = 1622406557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622414249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811207374 + 811207375.

It is an arithmetic number, because the mean of its divisors is an integer number (811207375).

Almost surely, 2^1622414749 is an apocalyptic number.

It is an amenable number.

1622414749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622414749 is an equidigital number, since it uses as much as digits as its factorization.

1622414749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 1622414749 is about 40279.2098854980. The cubic root of 1622414749 is about 1175.0435472619.

The spelling of 1622414749 in words is "one billion, six hundred twenty-two million, four hundred fourteen thousand, seven hundred forty-nine".