426149622 has 48 divisors (see below), whose sum is σ = 963930240. Its totient is φ = 135907200.

The previous prime is 426149593. The next prime is 426149623. The reversal of 426149622 is 226941624.

426149622 is a `hidden beast` number, since 4 + 26 + 1 + 4 + 9 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426149623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45372 + ... + 53952.

It is an arithmetic number, because the mean of its divisors is an integer number (20081880).

Almost surely, 2^426149622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426149622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481965120).

426149622 is an abundant number, since it is smaller than the sum of its proper divisors (537780618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426149622 is a wasteful number, since it uses less digits than its factorization.

426149622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709 (or 8706 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 426149622 is about 20643.3917271363. The cubic root of 426149622 is about 752.5246016467.

The spelling of 426149622 in words is "four hundred twenty-six million, one hundred forty-nine thousand, six hundred twenty-two".