1012222394 has 16 divisors (see below), whose sum is σ = 1561362696. Its totient is φ = 491803200.

The previous prime is 1012222369. The next prime is 1012222403. The reversal of 1012222394 is 4932222101.

It can be written as a sum of positive squares in 4 ways, for example, as 930555025 + 81667369 = 30505^2 + 9037^2 .

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, 52424 + ... + 69084.

Almost surely, 2^1012222394 is an apocalyptic number.

1012222394 is a deficient number, since it is larger than the sum of its proper divisors (549140302).

1012222394 is a wasteful number, since it uses less digits than its factorization.

1012222394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17521.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1012222394 is about 31815.4426969043. The cubic root of 1012222394 is about 1004.0576445848.

Adding to 1012222394 its reverse (4932222101), we get a palindrome (5944444495).

The spelling of 1012222394 in words is "one billion, twelve million, two hundred twenty-two thousand, three hundred ninety-four".