7428431222 has 8 divisors (see below), whose sum is σ = 11145222000. Its totient is φ = 3713357224.

The previous prime is 7428431201. The next prime is 7428431239. The reversal of 7428431222 is 2221348247.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418322 + ... + 435717.

It is an arithmetic number, because the mean of its divisors is an integer number (1393152750).

Almost surely, 2^7428431222 is an apocalyptic number.

7428431222 is a deficient number, since it is larger than the sum of its proper divisors (3716790778).

7428431222 is a wasteful number, since it uses less digits than its factorization.

7428431222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858390.

The product of its digits is 43008, while the sum is 35.

The square root of 7428431222 is about 86188.3473678432. The cubic root of 7428431222 is about 1951.1876369938.

Adding to 7428431222 its reverse (2221348247), we get a palindrome (9649779469).

The spelling of 7428431222 in words is "seven billion, four hundred twenty-eight million, four hundred thirty-one thousand, two hundred twenty-two".