1022272734 has 64 divisors (see below), whose sum is σ = 2395201536. Its totient is φ = 284844384.

The previous prime is 1022272723. The next prime is 1022272787. The reversal of 1022272734 is 4372722201.

1022272734 = 15985² + 15986² + ... + 15988².

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 288079 + ... + 291605.

It is an arithmetic number, because the mean of its divisors is an integer number (37425024).

Almost surely, 2^1022272734 is an apocalyptic number.

1022272734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022272734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197600768).

1022272734 is an abundant number, since it is smaller than the sum of its proper divisors (1372928802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022272734 is a wasteful number, since it uses less digits than its factorization.

1022272734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 1022272734 is about 31973.0000781910. Note that the first 4 decimals coincide. The cubic root of 1022272734 is about 1007.3697973265.

Adding to 1022272734 its reverse (4372722201), we get a palindrome (5394994935).

The spelling of 1022272734 in words is "one billion, twenty-two million, two hundred seventy-two thousand, seven hundred thirty-four".