1072229785 has 8 divisors (see below), whose sum is σ = 1403646336. Its totient is φ = 779803440.

The previous prime is 1072229779. The next prime is 1072229813. The reversal of 1072229785 is 5879222701.

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

It is not a de Polignac number, because 1072229785 - 2¹³ = 1072221593 is a prime.

It is a super-2 number, since 2×1072229785² = 2299353423682292450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9747489 + ... + 9747598.

It is an arithmetic number, because the mean of its divisors is an integer number (175455792).

Almost surely, 2^1072229785 is an apocalyptic number.

It is an amenable number.

1072229785 is a deficient number, since it is larger than the sum of its proper divisors (331416551).

1072229785 is a wasteful number, since it uses less digits than its factorization.

1072229785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495103.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 1072229785 is about 32744.9199876866. The cubic root of 1072229785 is about 1023.5191099469.

The spelling of 1072229785 in words is "one billion, seventy-two million, two hundred twenty-nine thousand, seven hundred eighty-five".