152226405 has 16 divisors (see below), whose sum is σ = 270624960. Its totient is φ = 81187344.

The previous prime is 152226383. The next prime is 152226413. The reversal of 152226405 is 504622251.

152226405 is a `hidden beast` number, since 15 + 2 + 2 + 2 + 640 + 5 = 666.

It is not a de Polignac number, because 152226405 - 2⁶ = 152226341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563667 + ... + 563936.

It is an arithmetic number, because the mean of its divisors is an integer number (16914060).

Almost surely, 2^152226405 is an apocalyptic number.

152226405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152226405 is a deficient number, since it is larger than the sum of its proper divisors (118398555).

152226405 is a wasteful number, since it uses less digits than its factorization.

152226405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127617 (or 1127611 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 152226405 is about 12338.0065245566. The cubic root of 152226405 is about 533.9451717473.

Adding to 152226405 its reverse (504622251), we get a palindrome (656848656).

The spelling of 152226405 in words is "one hundred fifty-two million, two hundred twenty-six thousand, four hundred five".