432222551 has 4 divisors (see below), whose sum is σ = 435085104. Its totient is φ = 429360000.

The previous prime is 432222547. The next prime is 432222563. The reversal of 432222551 is 155222234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155222234 = 2 ⋅77611117.

It is a cyclic number.

It is not a de Polignac number, because 432222551 - 2² = 432222547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 432222551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432228551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431050 + ... + 1431351.

It is an arithmetic number, because the mean of its divisors is an integer number (108771276).

Almost surely, 2^432222551 is an apocalyptic number.

432222551 is a deficient number, since it is larger than the sum of its proper divisors (2862553).

432222551 is a wasteful number, since it uses less digits than its factorization.

432222551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862552.

The product of its digits is 4800, while the sum is 26.

The square root of 432222551 is about 20789.9627464794. The cubic root of 432222551 is about 756.0824209338.

Adding to 432222551 its reverse (155222234), we get a palindrome (587444785).

The spelling of 432222551 in words is "four hundred thirty-two million, two hundred twenty-two thousand, five hundred fifty-one".