406293122 has 4 divisors (see below), whose sum is σ = 609439686. Its totient is φ = 203146560.

The previous prime is 406293119. The next prime is 406293127. The reversal of 406293122 is 221392604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 217533001 + 188760121 = 14749^2 + 13739^2 .

It is not an unprimeable number, because it can be changed into a prime (406293127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101573279 + ... + 101573282.

Almost surely, 2^406293122 is an apocalyptic number.

406293122 is a deficient number, since it is larger than the sum of its proper divisors (203146564).

406293122 is a wasteful number, since it uses less digits than its factorization.

406293122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203146563.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 406293122 is about 20156.7140675260. The cubic root of 406293122 is about 740.6502210476.

The spelling of 406293122 in words is "four hundred six million, two hundred ninety-three thousand, one hundred twenty-two".