1422405649 has 16 divisors (see below), whose sum is σ = 1636673920. Its totient is φ = 1210930560.

The previous prime is 1422405631. The next prime is 1422405667. The reversal of 1422405649 is 9465042241.

It is an interprime number because it is at equal distance from previous prime (1422405631) and next prime (1422405667).

It is not a de Polignac number, because 1422405649 - 2¹⁷ = 1422274577 is a prime.

It is a super-2 number, since 2×1422405649² = 4046475660614222402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1422405619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259317 + ... + 1260445.

It is an arithmetic number, because the mean of its divisors is an integer number (102292120).

Almost surely, 2^1422405649 is an apocalyptic number.

It is an amenable number.

1422405649 is a deficient number, since it is larger than the sum of its proper divisors (214268271).

1422405649 is a wasteful number, since it uses less digits than its factorization.

1422405649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1422405649 is about 37714.7935033456. The cubic root of 1422405649 is about 1124.6252312832.

The spelling of 1422405649 in words is "one billion, four hundred twenty-two million, four hundred five thousand, six hundred forty-nine".