1072229421 has 8 divisors (see below), whose sum is σ = 1429920864. Its totient is φ = 714678800.

The previous prime is 1072229399. The next prime is 1072229437. The reversal of 1072229421 is 1249222701.

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

It is a cyclic number.

It is not a de Polignac number, because 1072229421 - 2⁶ = 1072229357 is a prime.

It is a super-2 number, since 2×1072229421² = 2299351862515990482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072229461) 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, 15930 + ... + 48971.

It is an arithmetic number, because the mean of its divisors is an integer number (178740108).

Almost surely, 2^1072229421 is an apocalyptic number.

It is an amenable number.

1072229421 is a deficient number, since it is larger than the sum of its proper divisors (357691443).

1072229421 is an equidigital number, since it uses as much as digits as its factorization.

1072229421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70411.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1072229421 is about 32744.9144295721. The cubic root of 1072229421 is about 1023.5189941257.

The spelling of 1072229421 in words is "one billion, seventy-two million, two hundred twenty-nine thousand, four hundred twenty-one".