222046402 has 4 divisors (see below), whose sum is σ = 333069606. Its totient is φ = 111023200.

The previous prime is 222046399. The next prime is 222046411. The reversal of 222046402 is 204640222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 212255761 + 9790641 = 14569^2 + 3129^2 .

It is a super-2 number, since 2×222046402² = 98609209282291208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511599 + ... + 55511602.

Almost surely, 2^222046402 is an apocalyptic number.

222046402 is a deficient number, since it is larger than the sum of its proper divisors (111023204).

222046402 is a wasteful number, since it uses less digits than its factorization.

222046402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111023203.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 222046402 is about 14901.2214935555. The cubic root of 222046402 is about 605.5470788565.

Adding to 222046402 its reverse (204640222), we get a palindrome (426686624).

The spelling of 222046402 in words is "two hundred twenty-two million, forty-six thousand, four hundred two".