1072228431 has 8 divisors (see below), whose sum is σ = 1430750464. Its totient is φ = 714262680.

The previous prime is 1072228427. The next prime is 1072228459. The reversal of 1072228431 is 1348222701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1072228431 - 2² = 1072228427 is a prime.

It is a super-2 number, since 2×1072228431² = 2299347616489443522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072228331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134551 + ... + 142296.

It is an arithmetic number, because the mean of its divisors is an integer number (178843808).

Almost surely, 2^1072228431 is an apocalyptic number.

1072228431 is a deficient number, since it is larger than the sum of its proper divisors (358522033).

1072228431 is a wasteful number, since it uses less digits than its factorization.

1072228431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278141.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1072228431 is about 32744.8993127174. The cubic root of 1072228431 is about 1023.5186791172.

It can be divided in two parts, 1072 and 228431, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 1072228431 in words is "one billion, seventy-two million, two hundred twenty-eight thousand, four hundred thirty-one".